| ebay.co.uk | n=14 | $3.71 | +232% |
| ebay.es | n=36 | $3.19 | +185% |
| ebay.com | n=13 | $2.17 | +94% |
| ebay.de | n=25 | $1.12 | — |
How is this value calculated?
Recency-weighted trimmed median of 8 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 | 8 | 2 mo | $3.49 | 65.31 |
| eigene LP-Verkäufe ÷ 0.7995 | 11 | 2 mo | $3.27 | 2.82 |
Measured error for this era×language (backtest): ±17 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.8372 (Sprach-Faktor aus 20 Karten) | 8 | 2 mo | $2.93 | 2.56 |
Measured error for this era×language (backtest): ±24 %
Gate not green — shown only here, never as the price.
No PSA numbers for this print yet — in any language.
#110 · UR
#084 · SEC
#201 · UR
#209 · SEC
#SWSH152
#98 · U
#62 · RH
#150 · URFrequently asked questions
Auction or Buy It Now — which gets more for Professor Oak's Research Expedition Base Set 149/165?
Across 31 auctions the median was $1.12, across 31 fixed-price sales $3.15. Fixed price therefore fetched about 182 % more — for this card patience with a set price is the better route.
What will I get for Professor Oak's Research Expedition Base Set 149/165 if I want to sell quickly?
Half of all sales fell between $1.12 and $3.80, with a median of $2.59. 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 Oak's Research Expedition Base Set 149/165 unrealistic?
The cheapest genuine sales were around $1.12. Offers well below $0.67 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 Oak's Research Expedition Base Set 149/165 worth more?
From real sales: English $2.34 (78), German $1.12 (10). English fetches about 109 % more.
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.