Professor's Research
| ebay.it | n=2 | £5.41 | +96% |
| ebay.fr | n=5 | £4.84 | +76% |
| ebay.es | n=41 | £3.53 | +28% |
| ebay.co.uk | n=24 | £3.27 | +19% |
| ebay.de | n=147 | £3.12 | +13% |
| ebay.com | n=163 | £2.78 | +1% |
| ebay.nl | n=14 | £2.76 | — |
How is this value calculated?
Recency-weighted trimmed median of 155 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 | 156 | 7 d | £2.57 | 1273.47 |
| eigene LP-Verkäufe ÷ 0.8386 | 8 | 5 d | £0.93 | 3.39 |
| eigene PSA9-Verkäufe ÷ 2.0363 | 5 | 35 d | £3.54 | 1.39 |
| eigene PSA10-Verkäufe ÷ 15.3851 | 7 | 2 mo | £0.93 | 0.23 |
| de roh NM × 1.1535 (Sprach-Faktor aus 74 Karten) | 10 | 22 d | £2.43 | 2.72 |
Measured error for this era×language (backtest): ±16 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 10 | 22 d | £2.11 | 81.63 |
| en roh NM × 0.8669 (Sprach-Faktor aus 74 Karten) | 156 | 7 d | £2.23 | 3.09 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 2 | 15 d | £1.89 | 16.33 |
| en roh NM × 1.1695 (Sprach-Faktor aus 59 Karten) | 156 | 7 d | £3.00 | 1.34 |
| de roh NM × 1.6039 (Sprach-Faktor aus 57 Karten) | 10 | 22 d | £3.38 | 1.25 |
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 × 1.199 (Sprach-Faktor aus 47 Karten) | 156 | 7 d | £3.08 | 4.61 |
| de roh NM × 1.4226 (Sprach-Faktor aus 44 Karten) | 10 | 22 d | £3.00 | 1.54 |
Measured error for this era×language (backtest): ±17 %
No PSA numbers for this print yet — in any language.
#235 · UR
#229 · UR
#227 · UR
#236 · UR
#242 · UR
#233 · UR
#230 · UR
#228 · UR
#231 · UR
#223 · UR
#232 · UR
#234 · UR
#226 · UR
#241 · UR
#084 · SEC
#078 · UR
#150 · UR
#SWSH152
#147 · RH
#241 · UR
#222
#223
#122 · C
#SWSH178
#125 · C
#085 · U
#123 · C
#221
#189 · R
#087 · HR
#155 · C
#088 · HR
#190 · R
#124 · C
Frequently asked questions
Auction or Buy It Now — which gets more for Professor's Research Scarlet & Violet 240/198?
Across 45 auctions the median was £2.11, across 178 fixed-price sales £3.35. Fixed price therefore fetched about 59 % more — for this card patience with a set price is the better route.
What will I get for Professor's Research Scarlet & Violet 240/198 if I want to sell quickly?
Half of all sales fell between £2.28 and £3.71, with a median of £2.99. 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 Scarlet & Violet 240/198 unrealistic?
The cheapest genuine sales were around £1.76. Offers well below £1.06 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.
Is the English or the German Professor's Research Scarlet & Violet 240/198 worth more?
From real sales: English £2.58 (351), German £2.19 (26). English fetches about 18 % more.
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.