Professor's Research
| ebay.de | n=3 | $2.20 | +71% |
| ebay.es | n=8 | $1.66 | +29% |
| ebay.co.uk | n=6 | $1.36 | +6% |
| ebay.com | n=20 | $1.28 | — |
How is this value calculated?
Recency-weighted trimmed median of 16 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 · Set -11% nachgeführt | 5 | 4 mo | $0.92 | 40.82 |
Measured error for this era×language (backtest): ±16 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.1226 (Sprach-Faktor aus 92 Karten) | 5 | 4 mo | $1.10 | 1.93 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.4032 (Sprach-Faktor aus 61 Karten) · Set -12% nachgeführt | 5 | 4 mo | $1.27 | 1.34 |
Measured error for this era×language (backtest): ±25 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.9621 (Sprach-Faktor aus 38 Karten) · Set -12% nachgeführt | 5 | 4 mo | $0.88 | 2.61 |
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 125/131 if I want to sell quickly?
Half of all sales fell between $1.05 and $1.96, with a median of $1.48. 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 125/131 unrealistic?
The cheapest genuine sales were around $1.03. Offers well below $0.62 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.