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Professor Rowan
Secret Wonders

Professor Rowan

Secret Wonders · 123/132 ·Uncommon
Market value · English · Near Mint
£1.67

What is Professor Rowan 123/132 (Secret Wonders) worth?

As of 2026-10-22: In Near Mint, an English copy of Professor Rowan 123/132 is worth about £1.67, based on 1 real sales.

  1. 1
    Real sales

    1 completed Near Mint sales from eBay, Goldin and Fanatics, each one checked on the listing page.

  2. 2
    Outliers out

    Prices far above or below the median are dropped: lots, fakes, mismatched cards.

  3. 3
    Recent counts more

    Newer sales weigh more than old ones, so the value follows the market, not the yearly average.

No estimate, no asking prices. Paid sales only.
Market price
£1.67
based on 1 sales
Price history · RAW
2026-05-10 · £0.84 £1.74 · 2026-10-06
Cross-market · RAW median per marketplace
Spread vs. cheapest market — before shipping/duty/fees
ebay.de n=3 £1.21 +1%
ebay.es n=2 £1.20 —
Price per print
🇬🇧 Normal · EN n=2 £1.67
🇩🇪 Normal · DE n=1 £0.60
How is this value calculated?
Ladder estimate · English · ~£1.67 gruen
Evidence pathSalesAgeValue vᵢWeight gᵢ
eigene LP-Verkäufe ÷ 0.8057 · Set +16% nachgeführt3 45 d £1.671.76
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.67 · Σ g = 1.76

Measured error for this era×language (backtest): ±20 %

Ladder estimate · Deutsch · ~£0.60 rot
Evidence pathSalesAgeValue vᵢWeight gᵢ
en LP ÷ 0.8057 × 0.3656 · Set +14% nachgeführt3 45 d £0.601.51
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £0.60 · Σ g = 1.51

Gate not green — shown only here, never as the price.

PSA Population

No PSA numbers for this print yet — in any language.

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FAQ

Frequently asked questions

How does Last Sold determine the market value?

Last Sold uses only real sales — eBay plus auction houses like Goldin & Fanatics — recent sales count more (recency weighting), outliers and fakes are removed. It's not an estimate but actual sold prices, separated by condition, language and grading.