| ebay.fr | n=8 | $20.70 | +111% |
| ebay.nl | n=4 | $16.37 | +67% |
| ebay.co.uk | n=22 | $16.28 | +66% |
| ebay.de | n=36 | $14.49 | +48% |
| ebay.it | n=13 | $12.01 | +22% |
| ebay.es | n=25 | $11.69 | +19% |
| ebay.com | n=103 | $9.82 | — |
How is this value calculated?
Recency-weighted trimmed median of 27 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 | 27 | 8 d | $28.86 | 220.41 |
| eigene PSA9-Verkäufe ÷ 7.3887 | 3 | 4 mo | $6.33 | 4.32 |
| eigene LP-Verkäufe ÷ 0.9765 | 38 | 11 d | $23.15 | 3.04 |
| eigene PSA8-Verkäufe ÷ 2.1475 | 2 | 18 d | $19.27 | 0.8 |
| de roh NM × 0.6889 (Sprach-Faktor aus 33 Karten) | 3 | 11 d | $8.03 | 2.43 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 3 | 11 d | $11.65 | 24.49 |
| en roh NM × 1.4515 (Sprach-Faktor aus 33 Karten) | 27 | 8 d | $41.89 | 2.45 |
Measured error for this era×language (backtest): ±43 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.2403 (Sprach-Faktor aus 19 Karten) | 27 | 8 d | $35.79 | 2.36 |
Measured error for this era×language (backtest): ±12 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0872 (Sprach-Faktor aus 35 Karten) | 27 | 8 d | $31.38 | 13.47 |
| de roh NM × 0.7849 (Sprach-Faktor aus 13 Karten) | 3 | 11 d | $9.15 | 2.14 |
Measured error for this era×language (backtest): ±14 %
Gate not green — shown only here, never as the price.
No PSA numbers for this print yet — in any language.
Frequently asked questions
Auction or Buy It Now — which gets more for Professor Birch's Observations Primal Clash 159/160?
Across 17 auctions the median was $7.04, across 108 fixed-price sales $12.56. Fixed price therefore fetched about 78 % more — for this card patience with a set price is the better route.
What will I get for Professor Birch's Observations Primal Clash 159/160 if I want to sell quickly?
Half of all sales fell between $8.68 and $16.58, with a median of $11.69. 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 Birch's Observations Primal Clash 159/160 unrealistic?
The cheapest genuine sales were around $6.68. Offers well below $4.01 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.