{
 "meta": {
  "title": "Targa Marc | Value archive 1968–2026",
  "version": "1.0",
  "as_of": "2026-09-24",
  "chassis": "12871136",
  "model": "1968 Porsche 912 Targa",
  "currency": "USD",
  "fx_usd_per_eur": 1.1367,
  "fx_date": "2026-09-24",
  "cpi_reference": 334.98,
  "cpi_reference_month": "2026-08",
  "dutch_list_nlg": 23100,
  "nlg_per_eur": 2.20371,
  "msrp_reference_usd": 5350,
  "guide_low_usd": 41900,
  "guide_average_usd": 63800,
  "guide_high_usd": 112900,
  "warning": "Reference-price timeline and geometric interpolation. NOT a historical price index, an appraisal of chassis 12871136, or an investment-return series. No constant-condition or fee normalization. 2026 is a partial-year snapshot."
 },
 "sources": [
  {
   "id": "S01",
   "title": "Targa Marc — vehicle archive",
   "url": "https://targamarc.com/",
   "accessed": "2026-09-24",
   "note": "Owner website: chassis 12871136; California delivery; Dutch MY1968 list price NLG 23,100. Not the invoice paid for this chassis."
  },
  {
   "id": "S02",
   "title": "J.D. Power — 1968 Porsche 912 2 Door Targa",
   "url": "https://www.jdpower.com/cars/1968/porsche/912/2-door-targa",
   "accessed": "2026-09-24",
   "note": "Original MSRP USD 5,350; current quoted low/average/high retail USD 41,900 / 63,800 / 112,900. Broad Targa guide; no separate soft-window classification in the retrieved page. Guide effective date not stated; access date only."
  },
  {
   "id": "S03",
   "title": "Michael Ionno — first-person ownership account, 12 March 2016",
   "url": "https://www.curbsideclassic.com/curbside-classics-european/coal-1968-porsche-912-soft-window-targa-and-the-number-that-shall-never-be-spoken/",
   "accessed": "2026-09-24",
   "note": "Retrospective account of a 2000 purchase for a little over USD 7,000. Approximate recollection, not an inspected invoice. Car subsequently restored."
  },
  {
   "id": "S04",
   "title": "Sports Car Market — RM Arizona 2006 review",
   "url": "https://www.sportscarmarket.com/profile/1968-porsche-912-soft-window-targa",
   "accessed": "2026-09-24",
   "note": "Secondary report: USD 28,600, 20 January 2006, chassis 12870969, restored example. Fee basis not independently reconciled."
  },
  {
   "id": "S05",
   "title": "RM Sotheby’s — Arizona 2007",
   "url": "https://rmsothebys.com/auctions/az07/lots/r154-1968-porsche-912-softwindow-targa/",
   "accessed": "2026-09-24",
   "note": "Auction-house published result USD 27,500. Soft-window Targa. Archived fee basis not reconciled."
  },
  {
   "id": "S06",
   "title": "RM Sotheby’s — Auburn Fall 2013",
   "url": "https://rmsothebys.com/auctions/af13/lots/r530-1968-porsche-912-targa/",
   "accessed": "2026-09-24",
   "note": "Published result USD 31,350. Targa title; rear-window type not established from retrieved text. Excluded from the model anchors."
  },
  {
   "id": "S07",
   "title": "RM Sotheby’s — Fort Lauderdale 2017",
   "url": "https://rmsothebys.com/auctions/fl17/lots/r0024-1968-porsche-912-softwindow-targa/",
   "accessed": "2026-09-24",
   "note": "USD 48,400; chassis 12870969; described as well-restored, five-speed. Fee basis not reconciled."
  },
  {
   "id": "S08",
   "title": "BaT — 10 June 2019",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-6/",
   "accessed": "2026-09-24",
   "note": "USD 42,000; chassis 12871055. Later refurbished and sold again in 2020; not a constant-condition repeat-sale pair."
  },
  {
   "id": "S09",
   "title": "BaT — 21 October 2019",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-9/",
   "accessed": "2026-09-24",
   "note": "USD 60,000. Refurbished Polo Red soft-window Targa."
  },
  {
   "id": "S10",
   "title": "BaT — 8 July 2020",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-11/",
   "accessed": "2026-09-24",
   "note": "USD 73,000; chassis 12871055, following extensive refurbishment after the 2019 purchase."
  },
  {
   "id": "S11",
   "title": "RM Sotheby’s — Open Roads, May 2021",
   "url": "https://rmsothebys.com/auctions/0521/lots/r0065-1968-porsche-912-softwindow-targa/",
   "accessed": "2026-09-24",
   "note": "USD 64,900; chassis 12870719. Published auction-house result; archived fee basis not reconciled."
  },
  {
   "id": "S12",
   "title": "Gooding — Amelia Island 2022, lot 15",
   "url": "https://www.goodingco.com/lot/1968-porsche-912-soft-window-targa",
   "accessed": "2026-09-24",
   "note": "USD 128,800; chassis 12870224. Highest result in this selected sample, not asserted to be a world record. Kept separate from the model anchors."
  },
  {
   "id": "S13",
   "title": "BaT — 12 October 2023",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-19/",
   "accessed": "2026-09-24",
   "note": "USD 42,250. Corrosion and paint defects disclosed; kept as a condition-sensitive observation, not a central anchor."
  },
  {
   "id": "S14",
   "title": "BaT — 5 April 2024",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-20/",
   "accessed": "2026-09-24",
   "note": "USD 58,000. Five-speed soft-window Targa."
  },
  {
   "id": "S15",
   "title": "PCARMARKET — soft-window Targa, chassis 12870921",
   "url": "https://www.pcarmarket.com/auction/1968-porsche-912-soft-window-targa-4/",
   "accessed": "2026-09-24",
   "note": "Published winning bid USD 48,000. Auction year 2024 cross-checked against the model’s CLASSIC.COM event listing S29."
  },
  {
   "id": "S16",
   "title": "BaT — 3 July 2024",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-21/",
   "accessed": "2026-09-24",
   "note": "USD 76,412. Five-speed Tangerine example; recent engine and transmission work reported."
  },
  {
   "id": "S17",
   "title": "BaT — 22 November 2024",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-23/",
   "accessed": "2026-09-24",
   "note": "USD 95,500. Four-speed Irish Green example; refurbished. Original invoice for this other car totals USD 5,273.09."
  },
  {
   "id": "S18",
   "title": "BaT — 3 February 2025",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-24/",
   "accessed": "2026-09-24",
   "note": "USD 63,000. Five-speed; colour change and a repaired collision disclosed. Not a concours benchmark."
  },
  {
   "id": "S19",
   "title": "PCARMARKET — soft-window Targa, chassis 12870135",
   "url": "https://www.pcarmarket.com/auction/1968-porsche-912-soft-window-targa-5",
   "accessed": "2026-09-24",
   "note": "Published winning bid USD 11,111. Project. Auction year/date cross-check in S29. Excluded from central anchors."
  },
  {
   "id": "S20",
   "title": "BaT — 7 July 2026",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-27/",
   "accessed": "2026-09-24",
   "note": "USD 35,912. Project, four-speed, mechanical and corrosion issues disclosed. Excluded from central anchor set."
  },
  {
   "id": "S21",
   "title": "Federal Reserve Bank of Minneapolis — annual CPI table",
   "url": "https://www.minneapolisfed.org/about-us/monetary-policy/inflation-calculator/consumer-price-index-1913-",
   "accessed": "2026-09-24",
   "note": "Published rounded annual CPI values 1968–2025. The source’s full-year 2026 estimate is NOT used. October 2025 CPI is unavailable in the underlying monthly series; 2025 is retained as the publisher’s annual reference."
  },
  {
   "id": "S22",
   "title": "BLS / FRED — CPIAUCNS monthly observations",
   "url": "https://fred.stlouisfed.org/data/CPIAUCNS",
   "accessed": "2026-09-24",
   "note": "CPI-U, all items, US city average, not seasonally adjusted, 1982–84=100. August 2026 index 334.980; data updated 11 September 2026. Used as the constant-purchasing-power reference, not a full-year 2026 average."
  },
  {
   "id": "S23",
   "title": "ECB — USD reference exchange rate",
   "url": "https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/eurofxref-graph-usd.en.html",
   "accessed": "2026-09-24",
   "note": "24 September 2026: EUR 1 = USD 1.1367. EUR displays are translations at this single fixed rate, not historical FX or European market valuations."
  },
  {
   "id": "S24",
   "title": "ECB — Netherlands euro conversion",
   "url": "https://www.ecb.europa.eu/euro/exchange/nl/html/index.en.html",
   "accessed": "2026-09-24",
   "note": "Fixed redenomination: EUR 1 = NLG 2.20371. Nominal redenomination is not inflation adjustment."
  },
  {
   "id": "S25",
   "title": "Bring a Trailer — how fees work",
   "url": "https://bringatrailer.com/how-bat-works/",
   "accessed": "2026-09-24",
   "note": "Buyer fees are charged on top of the winning bid. No current fee schedule has been retroactively applied to older transactions."
  },
  {
   "id": "S26",
   "title": "BLS — current CPI table",
   "url": "https://www.bls.gov/news.release/cpi.t01.htm",
   "accessed": "2026-09-24",
   "note": "Cross-check for the latest published CPI. No September–December 2026 values or forecast included."
  },
  {
   "id": "S27",
   "title": "Gooding bidding platform — Amelia 2022 lot 15",
   "url": "https://bid.goodingco.com/lots/view/1-5IDS0N/1968-porsche-912-soft-window-targa",
   "accessed": "2026-09-24",
   "note": "Bidding-platform amount USD 115,000, versus published result USD 128,800 in S12. The 12% difference illustrates fee-basis reconciliation; only S12 is used as the plotted published result."
  },
  {
   "id": "S29",
   "title": "CLASSIC.COM — 2026 PCARMARKET event cross-check",
   "url": "https://www.classic.com/m/porsche/911/f-body/swb/912/targa/",
   "accessed": "2026-09-24",
   "note": "Secondary event date cross-check for the project chassis 12870135. Price and description taken from S19."
  }
 ],
 "events": [
  {
   "id": "E01",
   "year": 2000,
   "date": "2000",
   "date_precision": "year",
   "price_usd": 7000,
   "source_id": "S03",
   "url": "https://www.curbsideclassic.com/curbside-classics-european/coal-1968-porsche-912-soft-window-targa-and-the-number-that-shall-never-be-spoken/",
   "kind": "recollection",
   "notes": "Price was a little over USD 7,000. The plotted 7,000 is a rounded lower-threshold proxy, not an exact transaction.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "5",
   "exact_price": false,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E02",
   "year": 2006,
   "date": "2006-01-20",
   "date_precision": "day",
   "price_usd": 28600,
   "source_id": "S04",
   "url": "https://www.sportscarmarket.com/profile/1968-porsche-912-soft-window-targa",
   "kind": "secondary_sale",
   "notes": "Restored example; secondary auction review.",
   "anchor_eligible": true,
   "vin": "12870969",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E03",
   "year": 2007,
   "date": "2007",
   "date_precision": "year",
   "price_usd": 27500,
   "source_id": "S05",
   "url": "https://rmsothebys.com/auctions/az07/lots/r154-1968-porsche-912-softwindow-targa/",
   "kind": "auction",
   "notes": "Published soft-window Targa sale.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "",
   "exact_price": true,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E04",
   "year": 2013,
   "date": "2013",
   "date_precision": "year",
   "price_usd": 31350,
   "source_id": "S06",
   "url": "https://rmsothebys.com/auctions/af13/lots/r530-1968-porsche-912-targa/",
   "kind": "variant_unconfirmed",
   "notes": "Targa; rear-window type unconfirmed. Not an anchor.",
   "anchor_eligible": false,
   "vin": "",
   "gearbox": "",
   "exact_price": true,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E05",
   "year": 2017,
   "date": "2017",
   "date_precision": "year",
   "price_usd": 48400,
   "source_id": "S07",
   "url": "https://rmsothebys.com/auctions/fl17/lots/r0024-1968-porsche-912-softwindow-targa/",
   "kind": "auction",
   "notes": "Well-restored example according to auction house.",
   "anchor_eligible": true,
   "vin": "12870969",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E06",
   "year": 2019,
   "date": "2019-06-10",
   "date_precision": "day",
   "price_usd": 42000,
   "source_id": "S08",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-6/",
   "kind": "auction",
   "notes": "Later restored and resold in 2020. Not a constant-condition pair.",
   "anchor_eligible": true,
   "vin": "12871055",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E07",
   "year": 2019,
   "date": "2019-10-21",
   "date_precision": "day",
   "price_usd": 60000,
   "source_id": "S09",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-9/",
   "kind": "auction",
   "notes": "Refurbished Polo Red example.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E08",
   "year": 2020,
   "date": "2020-07-08",
   "date_precision": "day",
   "price_usd": 73000,
   "source_id": "S10",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-11/",
   "kind": "auction",
   "notes": "Same chassis as E06 after extensive restoration.",
   "anchor_eligible": true,
   "vin": "12871055",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E09",
   "year": 2021,
   "date": "2021",
   "date_precision": "year",
   "price_usd": 64900,
   "source_id": "S11",
   "url": "https://rmsothebys.com/auctions/0521/lots/r0065-1968-porsche-912-softwindow-targa/",
   "kind": "auction",
   "notes": "Tangerine example; auction-house result.",
   "anchor_eligible": true,
   "vin": "12870719",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E10",
   "year": 2022,
   "date": "2022-03-04",
   "date_precision": "day",
   "price_usd": 128800,
   "source_id": "S12",
   "url": "https://www.goodingco.com/lot/1968-porsche-912-soft-window-targa",
   "kind": "exceptional_sale",
   "notes": "Highest published result in this selected sample; treated separately, not a market peak.",
   "anchor_eligible": false,
   "vin": "12870224",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Published figure; fee basis not normalized",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E11",
   "year": 2023,
   "date": "2023-10-12",
   "date_precision": "day",
   "price_usd": 42250,
   "source_id": "S13",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-19/",
   "kind": "condition_sensitive",
   "notes": "Paint and corrosion issues disclosed; not a central anchor.",
   "anchor_eligible": false,
   "vin": "",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E12",
   "year": 2024,
   "date": "2024-04-05",
   "date_precision": "day",
   "price_usd": 58000,
   "source_id": "S14",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-20/",
   "kind": "auction",
   "notes": "Five-speed; used as one of four selected 2024 observations.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E13",
   "year": 2024,
   "date": "2024",
   "date_precision": "year",
   "price_usd": 48000,
   "source_id": "S15",
   "url": "https://www.pcarmarket.com/auction/1968-porsche-912-soft-window-targa-4/",
   "kind": "auction",
   "notes": "Recommissioned example; platform price. Year cross-checked with event listing.",
   "anchor_eligible": true,
   "vin": "12870921",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E14",
   "year": 2024,
   "date": "2024-07-03",
   "date_precision": "day",
   "price_usd": 76412,
   "source_id": "S16",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-21/",
   "kind": "auction",
   "notes": "Recent engine/transmission work; five-speed.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E15",
   "year": 2024,
   "date": "2024-11-22",
   "date_precision": "day",
   "price_usd": 95500,
   "source_id": "S17",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-23/",
   "kind": "auction",
   "notes": "Refurbished example; FOUR-speed. Retained in broad soft-window sample, not identical to Marc’s five-speed.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "4",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E16",
   "year": 2025,
   "date": "2025-02-03",
   "date_precision": "day",
   "price_usd": 63000,
   "source_id": "S18",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-24/",
   "kind": "auction",
   "notes": "Colour change and repaired collision disclosed; five-speed.",
   "anchor_eligible": true,
   "vin": "",
   "gearbox": "5",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E17",
   "year": 2026,
   "date": "2026",
   "date_precision": "year",
   "price_usd": 11111,
   "source_id": "S19",
   "url": "https://www.pcarmarket.com/auction/1968-porsche-912-soft-window-targa-5",
   "kind": "project",
   "notes": "Restoration project; not a normal-condition valuation.",
   "anchor_eligible": false,
   "vin": "12870135",
   "gearbox": "",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  },
  {
   "id": "E18",
   "year": 2026,
   "date": "2026-07-07",
   "date_precision": "day",
   "price_usd": 35912,
   "source_id": "S20",
   "url": "https://bringatrailer.com/listing/1968-porsche-912-soft-window-targa-27/",
   "kind": "project",
   "notes": "Four-speed project with mechanical and corrosion issues.",
   "anchor_eligible": false,
   "vin": "",
   "gearbox": "4",
   "exact_price": true,
   "fee_basis": "Winning bid; buyer fee additional",
   "currency": "USD",
   "model_year": 1968
  }
 ],
 "anchors": [
  {
   "year": 1968,
   "usd": 5350,
   "kind": "original_price_reference",
   "source_ids": [
    "S02"
   ],
   "event_ids": [],
   "note": "Publisher’s model MSRP. Not the invoice of chassis 12871136."
  },
  {
   "year": 2000,
   "usd": 7000,
   "kind": "recollection_proxy",
   "source_ids": [
    "S03"
   ],
   "event_ids": [
    "E01"
   ],
   "note": "USD 7,000 lower-threshold proxy for an approximate retrospective account; the true stated amount was higher."
  },
  {
   "year": 2006,
   "usd": 28600,
   "kind": "individual_sale_reference",
   "source_ids": [
    "S04"
   ],
   "event_ids": [
    "E02"
   ],
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2007,
   "usd": 27500,
   "kind": "individual_sale_reference",
   "source_ids": [
    "S05"
   ],
   "event_ids": [
    "E03"
   ],
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2017,
   "usd": 48400,
   "kind": "individual_sale_reference",
   "source_ids": [
    "S07"
   ],
   "event_ids": [
    "E05"
   ],
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2019,
   "usd": 51000.0,
   "kind": "selected_sample_median",
   "source_ids": [
    "S08",
    "S09"
   ],
   "event_ids": [
    "E06",
    "E07"
   ],
   "note": "Median of 2 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2020,
   "usd": 73000,
   "kind": "individual_sale_reference",
   "source_ids": [
    "S10"
   ],
   "event_ids": [
    "E08"
   ],
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2021,
   "usd": 64900,
   "kind": "individual_sale_reference",
   "source_ids": [
    "S11"
   ],
   "event_ids": [
    "E09"
   ],
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2024,
   "usd": 67206.0,
   "kind": "selected_sample_median",
   "source_ids": [
    "S14",
    "S15",
    "S16",
    "S17"
   ],
   "event_ids": [
    "E12",
    "E13",
    "E14",
    "E15"
   ],
   "note": "Median of 4 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2025,
   "usd": 63000,
   "kind": "individual_sale_reference",
   "source_ids": [
    "S18"
   ],
   "event_ids": [
    "E16"
   ],
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2026,
   "usd": 63800,
   "kind": "broad_targa_guide",
   "source_ids": [
    "S02"
   ],
   "event_ids": [],
   "note": "J.D. Power Average Retail, accessed 24 September 2026. Broad Targa category, not soft-window-specific; not Marc’s valuation."
  }
 ],
 "annual": [
  {
   "year": 1968,
   "reference_model_usd": 5350,
   "reference_model_eur_fixed_fx": 4706.606844,
   "reference_model_usd_aug2026": 51498.362069,
   "cpi": 34.8,
   "cpi_basis": "Published rounded annual reference",
   "status": "original_price_reference",
   "anchor_left": 1968,
   "anchor_right": 1968,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 5350,
   "interpolation_weight": 0,
   "source_ids": [
    "S02"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Publisher’s model MSRP. Not the invoice of chassis 12871136."
  },
  {
   "year": 1969,
   "reference_model_usd": 5395.131569,
   "reference_model_eur_fixed_fx": 4746.310872,
   "reference_model_usd_aug2026": 49244.173647,
   "cpi": 36.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.03125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1970,
   "reference_model_usd": 5440.643858,
   "reference_model_eur_fixed_fx": 4786.349836,
   "reference_model_usd_aug2026": 46971.826795,
   "cpi": 38.8,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.0625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1971,
   "reference_model_usd": 5486.540081,
   "reference_model_eur_fixed_fx": 4826.72656,
   "reference_model_usd_aug2026": 45379.782625,
   "cpi": 40.5,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.09375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1972,
   "reference_model_usd": 5532.823475,
   "reference_model_eur_fixed_fx": 4867.443895,
   "reference_model_usd_aug2026": 44339.359037,
   "cpi": 41.8,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1973,
   "reference_model_usd": 5579.497307,
   "reference_model_eur_fixed_fx": 4908.504713,
   "reference_model_usd_aug2026": 42095.045226,
   "cpi": 44.4,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.15625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1974,
   "reference_model_usd": 5626.564871,
   "reference_model_eur_fixed_fx": 4949.911913,
   "reference_model_usd_aug2026": 38230.967555,
   "cpi": 49.3,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.1875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1975,
   "reference_model_usd": 5674.029487,
   "reference_model_eur_fixed_fx": 4991.668415,
   "reference_model_usd_aug2026": 35328.743452,
   "cpi": 53.8,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.21875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1976,
   "reference_model_usd": 5721.894506,
   "reference_model_eur_fixed_fx": 5033.777167,
   "reference_model_usd_aug2026": 33685.768396,
   "cpi": 56.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.25,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1977,
   "reference_model_usd": 5770.163305,
   "reference_model_eur_fixed_fx": 5076.241141,
   "reference_model_usd_aug2026": 31895.863102,
   "cpi": 60.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.28125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1978,
   "reference_model_usd": 5818.83929,
   "reference_model_eur_fixed_fx": 5119.063333,
   "reference_model_usd_aug2026": 29895.625544,
   "cpi": 65.2,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.3125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1979,
   "reference_model_usd": 5867.925897,
   "reference_model_eur_fixed_fx": 5162.246764,
   "reference_model_usd_aug2026": 27074.901059,
   "cpi": 72.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.34375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1980,
   "reference_model_usd": 5917.426588,
   "reference_model_eur_fixed_fx": 5205.794483,
   "reference_model_usd_aug2026": 24056.062604,
   "cpi": 82.4,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1981,
   "reference_model_usd": 5967.344858,
   "reference_model_eur_fixed_fx": 5249.709561,
   "reference_model_usd_aug2026": 21990.552042,
   "cpi": 90.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.40625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1982,
   "reference_model_usd": 6017.684229,
   "reference_model_eur_fixed_fx": 5293.995099,
   "reference_model_usd_aug2026": 20889.159202,
   "cpi": 96.5,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.4375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1983,
   "reference_model_usd": 6068.448253,
   "reference_model_eur_fixed_fx": 5338.654221,
   "reference_model_usd_aug2026": 20409.726865,
   "cpi": 99.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.46875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1984,
   "reference_model_usd": 6119.640512,
   "reference_model_eur_fixed_fx": 5383.690079,
   "reference_model_usd_aug2026": 19730.097967,
   "cpi": 103.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.5,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1985,
   "reference_model_usd": 6171.26462,
   "reference_model_eur_fixed_fx": 5429.10585,
   "reference_model_usd_aug2026": 19212.362661,
   "cpi": 107.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.53125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1986,
   "reference_model_usd": 6223.324218,
   "reference_model_eur_fixed_fx": 5474.90474,
   "reference_model_usd_aug2026": 19020.886375,
   "cpi": 109.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.5625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1987,
   "reference_model_usd": 6275.822982,
   "reference_model_eur_fixed_fx": 5521.089981,
   "reference_model_usd_aug2026": 18505.943507,
   "cpi": 113.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.59375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1988,
   "reference_model_usd": 6328.764614,
   "reference_model_eur_fixed_fx": 5567.664832,
   "reference_model_usd_aug2026": 17920.621898,
   "cpi": 118.3,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1989,
   "reference_model_usd": 6382.152852,
   "reference_model_eur_fixed_fx": 5614.632579,
   "reference_model_usd_aug2026": 17241.077117,
   "cpi": 124.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.65625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1990,
   "reference_model_usd": 6435.991463,
   "reference_model_eur_fixed_fx": 5661.996537,
   "reference_model_usd_aug2026": 16495.244227,
   "cpi": 130.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.6875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1991,
   "reference_model_usd": 6490.284247,
   "reference_model_eur_fixed_fx": 5709.760048,
   "reference_model_usd_aug2026": 15962.668259,
   "cpi": 136.2,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.71875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1992,
   "reference_model_usd": 6545.035033,
   "reference_model_eur_fixed_fx": 5757.926483,
   "reference_model_usd_aug2026": 15626.912583,
   "cpi": 140.3,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.75,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1993,
   "reference_model_usd": 6600.247687,
   "reference_model_eur_fixed_fx": 5806.499241,
   "reference_model_usd_aug2026": 15300.698755,
   "cpi": 144.5,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.78125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1994,
   "reference_model_usd": 6655.926104,
   "reference_model_eur_fixed_fx": 5855.481749,
   "reference_model_usd_aug2026": 15044.54876,
   "cpi": 148.2,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.8125,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1995,
   "reference_model_usd": 6712.074213,
   "reference_model_eur_fixed_fx": 5904.877464,
   "reference_model_usd_aug2026": 14753.350525,
   "cpi": 152.4,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.84375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1996,
   "reference_model_usd": 6768.695977,
   "reference_model_eur_fixed_fx": 5954.689872,
   "reference_model_usd_aug2026": 14451.101201,
   "cpi": 156.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1997,
   "reference_model_usd": 6825.795392,
   "reference_model_eur_fixed_fx": 6004.922488,
   "reference_model_usd_aug2026": 14246.136699,
   "cpi": 160.5,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.90625,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1998,
   "reference_model_usd": 6883.376485,
   "reference_model_eur_fixed_fx": 6055.578856,
   "reference_model_usd_aug2026": 14145.972117,
   "cpi": 163.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.9375,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 1999,
   "reference_model_usd": 6941.443322,
   "reference_model_eur_fixed_fx": 6106.662552,
   "reference_model_usd_aug2026": 13957.050925,
   "cpi": 166.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 1968,
   "anchor_right": 2000,
   "anchor_left_usd": 5350,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0.96875,
   "source_ids": [
    "S02",
    "S03"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "No contemporary annual price found: mathematical bridge only; does not establish the actual depreciation path."
  },
  {
   "year": 2000,
   "reference_model_usd": 7000,
   "reference_model_eur_fixed_fx": 6158.17718,
   "reference_model_usd_aug2026": 13617.073171,
   "cpi": 172.2,
   "cpi_basis": "Published rounded annual reference",
   "status": "recollection_proxy",
   "anchor_left": 2000,
   "anchor_right": 2000,
   "anchor_left_usd": 7000,
   "anchor_right_usd": 7000,
   "interpolation_weight": 0,
   "source_ids": [
    "S03"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E01"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "USD 7,000 lower-threshold proxy for an approximate retrospective account; the true stated amount was higher."
  },
  {
   "year": 2001,
   "reference_model_usd": 8850.667771,
   "reference_model_eur_fixed_fx": 7786.282899,
   "reference_model_usd_aug2026": 16740.805702,
   "cpi": 177.1,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2000,
   "anchor_right": 2006,
   "anchor_left_usd": 7000,
   "anchor_right_usd": 28600,
   "interpolation_weight": 0.16666666666666666,
   "source_ids": [
    "S03",
    "S04"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2002,
   "reference_model_usd": 11190.617142,
   "reference_model_eur_fixed_fx": 9844.829015,
   "reference_model_usd_aug2026": 20837.314787,
   "cpi": 179.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2000,
   "anchor_right": 2006,
   "anchor_left_usd": 7000,
   "anchor_right_usd": 28600,
   "interpolation_weight": 0.3333333333333333,
   "source_ids": [
    "S03",
    "S04"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2003,
   "reference_model_usd": 14149.204925,
   "reference_model_eur_fixed_fx": 12447.615839,
   "reference_model_usd_aug2026": 25759.242748,
   "cpi": 184.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2000,
   "anchor_right": 2006,
   "anchor_left_usd": 7000,
   "anchor_right_usd": 28600,
   "interpolation_weight": 0.5,
   "source_ids": [
    "S03",
    "S04"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2004,
   "reference_model_usd": 17889.98743,
   "reference_model_eur_fixed_fx": 15738.530334,
   "reference_model_usd_aug2026": 31724.658493,
   "cpi": 188.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2000,
   "anchor_right": 2006,
   "anchor_left_usd": 7000,
   "anchor_right_usd": 28600,
   "interpolation_weight": 0.6666666666666666,
   "source_ids": [
    "S03",
    "S04"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2005,
   "reference_model_usd": 22619.762167,
   "reference_model_eur_fixed_fx": 19899.500455,
   "reference_model_usd_aug2026": 38797.582851,
   "cpi": 195.3,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2000,
   "anchor_right": 2006,
   "anchor_left_usd": 7000,
   "anchor_right_usd": 28600,
   "interpolation_weight": 0.8333333333333334,
   "source_ids": [
    "S03",
    "S04"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2006,
   "reference_model_usd": 28600,
   "reference_model_eur_fixed_fx": 25160.552476,
   "reference_model_usd_aug2026": 47521.964286,
   "cpi": 201.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "individual_sale_reference",
   "anchor_left": 2006,
   "anchor_right": 2006,
   "anchor_left_usd": 28600,
   "anchor_right_usd": 28600,
   "interpolation_weight": 0,
   "source_ids": [
    "S04"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E02"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2007,
   "reference_model_usd": 27500,
   "reference_model_eur_fixed_fx": 24192.83892,
   "reference_model_usd_aug2026": 44437.771346,
   "cpi": 207.3,
   "cpi_basis": "Published rounded annual reference",
   "status": "individual_sale_reference",
   "anchor_left": 2007,
   "anchor_right": 2007,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 27500,
   "interpolation_weight": 0,
   "source_ids": [
    "S05"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E03"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2008,
   "reference_model_usd": 29099.395058,
   "reference_model_eur_fixed_fx": 25599.890084,
   "reference_model_usd_aug2026": 45275.036491,
   "cpi": 215.3,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.1,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2009,
   "reference_model_usd": 30791.810645,
   "reference_model_eur_fixed_fx": 27088.77509,
   "reference_model_usd_aug2026": 48086.90317,
   "cpi": 214.5,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.2,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2010,
   "reference_model_usd": 32582.656819,
   "reference_model_eur_fixed_fx": 28664.253382,
   "reference_model_usd_aug2026": 50043.733981,
   "cpi": 218.1,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.3,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2011,
   "reference_model_usd": 34477.658284,
   "reference_model_eur_fixed_fx": 30331.361207,
   "reference_model_usd_aug2026": 51353.16128,
   "cpi": 224.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.4,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2012,
   "reference_model_usd": 36482.872694,
   "reference_model_eur_fixed_fx": 32095.427724,
   "reference_model_usd_aug2026": 53227.494316,
   "cpi": 229.6,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.5,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2013,
   "reference_model_usd": 38604.710014,
   "reference_model_eur_fixed_fx": 33962.092033,
   "reference_model_usd_aug2026": 55501.312276,
   "cpi": 233.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.6,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E04"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2014,
   "reference_model_usd": 40849.95301,
   "reference_model_eur_fixed_fx": 35937.321202,
   "reference_model_usd_aug2026": 57811.226275,
   "cpi": 236.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.7,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2015,
   "reference_model_usd": 43225.778936,
   "reference_model_eur_fixed_fx": 38027.429345,
   "reference_model_usd_aug2026": 61096.081975,
   "cpi": 237.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.8,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2016,
   "reference_model_usd": 45739.782471,
   "reference_model_eur_fixed_fx": 40239.097802,
   "reference_model_usd_aug2026": 63841.301384,
   "cpi": 240.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2007,
   "anchor_right": 2017,
   "anchor_left_usd": 27500,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0.9,
   "source_ids": [
    "S05",
    "S07"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2017,
   "reference_model_usd": 48400,
   "reference_model_eur_fixed_fx": 42579.396499,
   "reference_model_usd_aug2026": 66148.641371,
   "cpi": 245.1,
   "cpi_basis": "Published rounded annual reference",
   "status": "individual_sale_reference",
   "anchor_left": 2017,
   "anchor_right": 2017,
   "anchor_left_usd": 48400,
   "anchor_right_usd": 48400,
   "interpolation_weight": 0,
   "source_ids": [
    "S07"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E05"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2018,
   "reference_model_usd": 49682.995079,
   "reference_model_eur_fixed_fx": 43708.098072,
   "reference_model_usd_aug2026": 66279.608489,
   "cpi": 251.1,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2017,
   "anchor_right": 2019,
   "anchor_left_usd": 48400,
   "anchor_right_usd": 51000.0,
   "interpolation_weight": 0.5,
   "source_ids": [
    "S07",
    "S08",
    "S09"
   ],
   "observations_count": 0,
   "observation_ids": [],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2019,
   "reference_model_usd": 51000.0,
   "reference_model_eur_fixed_fx": 44866.719451,
   "reference_model_usd_aug2026": 66812.592882,
   "cpi": 255.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "selected_sample_median",
   "anchor_left": 2019,
   "anchor_right": 2019,
   "anchor_left_usd": 51000.0,
   "anchor_right_usd": 51000.0,
   "interpolation_weight": 0,
   "source_ids": [
    "S08",
    "S09"
   ],
   "observations_count": 2,
   "observation_ids": [
    "E06",
    "E07"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 2 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2020,
   "reference_model_usd": 73000,
   "reference_model_eur_fixed_fx": 64220.990587,
   "reference_model_usd_aug2026": 94488.176198,
   "cpi": 258.8,
   "cpi_basis": "Published rounded annual reference",
   "status": "individual_sale_reference",
   "anchor_left": 2020,
   "anchor_right": 2020,
   "anchor_left_usd": 73000,
   "anchor_right_usd": 73000,
   "interpolation_weight": 0,
   "source_ids": [
    "S10"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E08"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2021,
   "reference_model_usd": 64900,
   "reference_model_eur_fixed_fx": 57095.09985,
   "reference_model_usd_aug2026": 80222.147601,
   "cpi": 271.0,
   "cpi_basis": "Published rounded annual reference",
   "status": "individual_sale_reference",
   "anchor_left": 2021,
   "anchor_right": 2021,
   "anchor_left_usd": 64900,
   "anchor_right_usd": 64900,
   "interpolation_weight": 0,
   "source_ids": [
    "S11"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E09"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2022,
   "reference_model_usd": 65659.738246,
   "reference_model_eur_fixed_fx": 57763.471669,
   "reference_model_usd_aug2026": 75144.171909,
   "cpi": 292.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2021,
   "anchor_right": 2024,
   "anchor_left_usd": 64900,
   "anchor_right_usd": 67206.0,
   "interpolation_weight": 0.3333333333333333,
   "source_ids": [
    "S11",
    "S14",
    "S15",
    "S16",
    "S17"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E10"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2023,
   "reference_model_usd": 66428.370209,
   "reference_model_eur_fixed_fx": 58439.667642,
   "reference_model_usd_aug2026": 73029.784878,
   "cpi": 304.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "geometric_interpolation",
   "anchor_left": 2021,
   "anchor_right": 2024,
   "anchor_left_usd": 64900,
   "anchor_right_usd": 67206.0,
   "interpolation_weight": 0.6666666666666666,
   "source_ids": [
    "S11",
    "S14",
    "S15",
    "S16",
    "S17"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E11"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Interpolated reference, not an observed annual quotation."
  },
  {
   "year": 2024,
   "reference_model_usd": 67206.0,
   "reference_model_eur_fixed_fx": 59123.779361,
   "reference_model_usd_aug2026": 71764.953395,
   "cpi": 313.7,
   "cpi_basis": "Published rounded annual reference",
   "status": "selected_sample_median",
   "anchor_left": 2024,
   "anchor_right": 2024,
   "anchor_left_usd": 67206.0,
   "anchor_right_usd": 67206.0,
   "interpolation_weight": 0,
   "source_ids": [
    "S14",
    "S15",
    "S16",
    "S17"
   ],
   "observations_count": 4,
   "observation_ids": [
    "E12",
    "E13",
    "E14",
    "E15"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 4 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2025,
   "reference_model_usd": 63000,
   "reference_model_eur_fixed_fx": 55423.594616,
   "reference_model_usd_aug2026": 65559.925443,
   "cpi": 321.9,
   "cpi_basis": "Published rounded annual reference",
   "status": "individual_sale_reference",
   "anchor_left": 2025,
   "anchor_right": 2025,
   "anchor_left_usd": 63000,
   "anchor_right_usd": 63000,
   "interpolation_weight": 0,
   "source_ids": [
    "S18"
   ],
   "observations_count": 1,
   "observation_ids": [
    "E16"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "Median of 1 selected observation(s); not a population median, not adjusted for condition or fees."
  },
  {
   "year": 2026,
   "reference_model_usd": 63800,
   "reference_model_eur_fixed_fx": 56127.386294,
   "reference_model_usd_aug2026": 63800.0,
   "cpi": 334.98,
   "cpi_basis": "August 2026 snapshot",
   "status": "broad_targa_guide",
   "anchor_left": 2026,
   "anchor_right": 2026,
   "anchor_left_usd": 63800,
   "anchor_right_usd": 63800,
   "interpolation_weight": 0,
   "source_ids": [
    "S02"
   ],
   "observations_count": 2,
   "observation_ids": [
    "E17",
    "E18"
   ],
   "market_price_observed_for_this_chassis": false,
   "as_of": "2026-09-24",
   "note": "J.D. Power Average Retail, accessed 24 September 2026. Broad Targa category, not soft-window-specific; not Marc’s valuation."
  }
 ]
}