Professor's Research
Market price
€115,71
Price history · RAW
2026-04-14 · €39,99
€157,67 · 2026-07-01
How is this value calculated?
Ladder estimate · English
· ~€0,93
gruen
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 3 | 29 d | €0,93 | 24.49 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €0,93 · Σ g = 24.49
Measured error for this era×language (backtest): ±16 %
Ladder estimate · Deutsch
· ~€1,02
gruen
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.1039 (Sprach-Faktor aus 84 Karten) | 3 | 29 d | €1,02 | 3.07 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €1,02 · Σ g = 3.07
Measured error for this era×language (backtest): ±19 %
Ladder estimate · Français
· ~€1,18
gelb
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.2723 (Sprach-Faktor aus 64 Karten) | 3 | 29 d | €1,18 | 5.82 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €1,18 · Σ g = 5.82
Measured error for this era×language (backtest): ±25 %
Gate not green — shown only here, never as the price.
Ladder estimate · Italiano
· ~€1,05
gruen
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.1339 (Sprach-Faktor aus 51 Karten) | 3 | 29 d | €1,05 | 9.31 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €1,05 · Σ g = 9.31
Measured error for this era×language (backtest): ±17 %
PSA Population
No PSA numbers for this print yet — in any language.
Recent sales · 3
| 2026-07-01 | UNKNOWN | RAW UNKNOWN | Forschung des Professors Prof. Lind PRE 123/131 Pokémon Prof | €39,99 |
| 2026-06-01 | FR | RAW UNKNOWN | Pokémon TCG Professor's Research [Elm] 123/131 Professor Pro | €157,67 |
| 2026-04-14 | ES | RAW UNKNOWN | Professor's Research Elm 123/131 Pokemon Professor Program P | €156,79 |
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Frequently asked questions
How does lastsold determine the market value?
lastsold 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.