| ebay.nl | n=4 | £12.38 | +67% |
| ebay.de | n=34 | £10.95 | +48% |
| ebay.co.uk | n=19 | £9.91 | +34% |
| ebay.es | n=25 | £8.84 | +19% |
| ebay.it | n=12 | £8.83 | +19% |
| ebay.com | n=100 | £7.40 | — |
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 | £14.57 | 195.92 |
| eigene LP-Verkäufe ÷ 0.8864 | 36 | 18 d | £14.35 | 3.39 |
| eigene PSA9-Verkäufe ÷ 5.1721 | 3 | 4 mo | £6.83 | 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 | £46.47 | 16.33 |
| en roh NM × 1.4515 (Sprach-Faktor aus 33 Karten) | 24 | 33 d | £21.14 | 2.45 |
Cap: 2× no buyer from £33.86 € → clamped to £33.86 × 0.95 = £32.17 € (ladder said £41.93 €).
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 | £18.07 | 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 | £15.84 | 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 £5.05, across 98 fixed-price sales £8.85. 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 £6.32 and £11.86, with a median of £8.42. 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 £4.85. Offers well below £2.91 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.