Professor Elm's Training Method · Professor Program
Market price
£48.90
based on 2 sales
Price history · RAW
2026-05-06 · £42.86
£61.88 · 2026-05-17
How is this value calculated?
Ladder estimate · English
· ~£1.24
gelb
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 11 | 8 d | £1.24 | 89.8 |
| eigene LP-Verkäufe ÷ 0.824 | 21 | 5 d | £1.41 | 2.11 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.24 · Σ g = 91.91
Measured error for this era×language (backtest): ±22 %
Gate not green — shown only here, never as the price.
Ladder estimate · Deutsch
· ~£1.45
rot
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.1681 (Sprach-Faktor aus 16 Karten) | 11 | 8 d | £1.45 | 0.29 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.45 · Σ g = 0.29
Measured error for this era×language (backtest): ±20 %
Gate not green — shown only here, never as the price.
Ladder estimate · Français
· ~£1.28
rot
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0288 (Sprach-Faktor aus 9 Karten) | 11 | 8 d | £1.28 | 6.07 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.28 · Σ g = 6.07
Measured error for this era×language (backtest): ±2 %
Gate not green — shown only here, never as the price.
PSA Population
No PSA numbers for this print yet — in any language.
Recent sales · 2
| 2026-05-17 | EN | RAW UNKNOWN | Pokemon Professor Elm's Training Method 79/101 Stamped Profe | £42.86 |
| 2026-05-06 | EN | RAW LP | Professor Program Professor Elm's Training Method 79/101 Pok | £61.88 |
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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.
Professor Elm's Training Method · Professor Program Dragon Frontiers · 79/101