| ebay.nl | n=4 | $16.34 | +67% |
| ebay.de | n=34 | $14.46 | +48% |
| ebay.co.uk | n=19 | $13.09 | +34% |
| ebay.es | n=25 | $11.67 | +19% |
| ebay.it | n=12 | $11.66 | +19% |
| ebay.com | n=100 | $9.77 | — |
How is this value calculated?
Recency-weighted trimmed median of 25 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 | 24 | 33 d | $19.24 | 195.92 |
| eigene LP-Verkäufe ÷ 0.8864 | 36 | 18 d | $18.95 | 3.39 |
| eigene PSA9-Verkäufe ÷ 5.1721 | 3 | 4 mo | $9.02 | 2.26 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 2 | 46 d | $61.36 | 16.33 |
| en roh NM × 1.4515 (Sprach-Faktor aus 33 Karten) | 24 | 33 d | $27.92 | 2.45 |
Cap: 2× no buyer from $44.71 € → clamped to $44.71 × 0.95 = $42.47 € (ladder said $55.37 €).
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) | 24 | 33 d | $23.86 | 2.35 |
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) | 24 | 33 d | $20.91 | 13.37 |
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.
#134 · U
#149 · UR
#151 · UR
#150 · UR
#155 · UR
#154 · UR
#148 · UR
#152 · UR
#153 · UR
#36 · R
#157 · UR
#55 · UR
#156 · UR
#147 · URFrequently asked questions
Auction or Buy It Now — which gets more for Professor Birch's Observations Primal Clash 159/160?
Across 15 auctions the median was $6.67, across 98 fixed-price sales $11.68. Fixed price therefore fetched about 75 % 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 $8.35 and $15.66, with a median of $11.12. 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 $6.40. Offers well below $3.84 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.