Professor's Research · Professor Program
| ebay.com | n=4 | £10.39 | +517% |
| ebay.de | n=11 | £1.68 | — |
How is this value calculated?
Recency-weighted trimmed median of 4 NM sales (RAW; outliers trimmed against the median, newer sales weigh more, dynamic half-life).
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 2 | 39 d | £4.57 | 16.33 |
Measured error for this era×language (backtest): ±20 %
Gate not green — shown only here, never as the price.
No PSA numbers for this print yet — in any language.
#084 · 
#240 · 
#078 · 
#150 · 
#147 · 
#SWSH152
#222
#241 · 
#223
#221
#SWSH178
#085 · 
#125 · 
#189 · 
#155 ·
#123 · 
#087 ·
#122 · 
#124 · 
#088 · 
#190 ·
Frequently asked questions
What will I get for Professor's Research · Professor Program Professor Program Promos 190 if I want to sell quickly?
Half of all sales fell between £1.40 and £1.76, with a median of £1.68. Selling fast lands you nearer the lower end; with patience, good photos and a complete title the upper end is achievable.
Below which price is an offer for Professor's Research · Professor Program Professor Program Promos 190 unrealistic?
The cheapest genuine sales were around £0.41. Offers well below £0.25 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.
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.