Professor's Research
| ebay.es | n=3 | £1.23 | +58% |
| ebay.de | n=5 | £1.23 | +58% |
| ebay.fr | n=4 | £1.09 | +39% |
| ebay.com | n=7 | £0.78 | — |
How is this value calculated?
Recency-weighted trimmed median of 6 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 | 15 | 2 mo | £1.63 | 122.45 |
Measured error for this era×language (backtest): ±16 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.885 (Sprach-Faktor aus 14 Karten) | 15 | 2 mo | £1.44 | 3.76 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0195 (Sprach-Faktor aus 6 Karten) · Set -18% nachgeführt | 5 | 2 mo | £0.99 | 10.68 |
Measured error for this era×language (backtest): ±17 %
No PSA numbers for this print yet — in any language.
#110 · UR
#084 · SEC
#201 · UR
#209 · SEC
#SWSH152
#98 · U
#62 · RH
#150 · UR
#078 · UR
#240 · URFrequently asked questions
What will I get for Professor's Research Prismatic Evolutions 124/131 if I want to sell quickly?
Half of all sales fell between £0.78 and £1.37, with a median of £1.11. 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 Prismatic Evolutions 124/131 unrealistic?
The cheapest genuine sales were around £0.78. Offers well below £0.47 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 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.