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Arthur’s Workshop

Arthur keeps the LegacyLists product database accurate. Here’s what he’s been working on.

47
Corrections reported
12
Resolved by data sources
3
New products identified
892
Box labels scanned this month

How Arthur valued this item

  1. 1
    Model
    Claude Opus 4.6 (1M context)AI
  2. 2
    Data sources consulted
    • 8 eBay completed listings (last 6 months)
    • 2 auction house results (Bonhams, Vectis)
    • INHERIT category-guidance.json (OO Gauge model railways)
    • 3 dealer asking prices (current stock)Lower weight — asking prices, not sold
  3. 3
    Analysis confidence
    ✓ High8 strong comparables within 6 months, consistent price range £580–£920 GBP
  4. 4
    Key factors
    • Condition (Excellent) adds ~15% over Good condition examples
    • Original box and instructions present — adds ~£80–120 GBP to comparable base
    • A4 Class models have appreciated 12% year-on-year since 2023
  5. 5
    Generated
    Thursday 10 April 2026, 14:32
  6. 6
    Prompt summary
    Analyse these 10 comparable sales for a Hornby R3456 in Excellent condition with original packaging…
Arthur shows his working so you can verify every conclusion. If something looks wrong, click ‘Not relevant’ on any data source to improve future estimates.

Recent activity

  • Sunday 6 April 2026
    Corrected classification on Hornby R2580. Was listed as 'Class 5', confirmed as 'N15 King Arthur Class' via box label photograph from a community member. Data source (The Railway Conductor) updated their listing on Monday 7 April.
    Resolved ✓The Railway Conductor
  • Saturday 5 April 2026
    New product identified: Lima L205612 Intercity coach. No existing record in our database. Created from box label scan. 3 community members now have this item catalogued.
    Resolved ✓
  • Friday 4 April 2026
    Reported incorrect era on Bachmann 32-875. Listed as Era 6, should be Era 5 (Late BR). Reported to Bachmann. Awaiting response.
    Awaiting responseBachmann
  • Thursday 3 April 2026
    Corrected EAN barcode on Dapol 4D-022-020. Previous barcode was for the DRS livery variant. Hattons updated their listing within 24 hours.
    Resolved ✓Hattons
  • Wednesday 2 April 2026
    5 community members reported the same issue: Hornby R3806 listed weight as 250g, actual weight is 380g (with tender). Reported to Hornby.
    ReportedHornby