Colress's Experiment
| ebay.fr | n=4 | £5.11 | +88% |
| ebay.it | n=2 | £4.73 | +74% |
| ebay.es | n=28 | £3.68 | +36% |
| ebay.co.uk | n=28 | £3.66 | +35% |
| ebay.de | n=26 | £3.17 | +17% |
| ebay.com | n=71 | £2.89 | +6% |
| ebay.nl | n=2 | £2.71 | — |
How is this value calculated?
Recency-weighted trimmed median of 84 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 | 87 | 22 d | £3.99 | 710.2 |
| eigene PSA9-Verkäufe ÷ 2.3723 | 3 | 4 mo | £7.67 | 0.43 |
| eigene PSA10-Verkäufe ÷ 10.1555 | 3 | 5 mo | £2.39 | 0.28 |
| de roh NM × 0.9945 (Sprach-Faktor aus 113 Karten) | 4 | 2 mo | £4.77 | 2.27 |
Measured error for this era×language (backtest): ±17 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 4 | 2 mo | £4.81 | 32.65 |
| en roh NM × 1.0056 (Sprach-Faktor aus 113 Karten) | 87 | 22 d | £4.01 | 2.58 |
Measured error for this era×language (backtest): ±22 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.2575 (Sprach-Faktor aus 55 Karten) | 87 | 22 d | £5.02 | 4.17 |
| de roh NM × 1.2691 (Sprach-Faktor aus 52 Karten) · Set -22% nachgeführt | 4 | 2 mo | £5.25 | 1.32 |
Measured error for this era×language (backtest): ±20 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.122 (Sprach-Faktor aus 41 Karten) | 87 | 22 d | £4.48 | 5.17 |
| de roh NM × 1.2753 (Sprach-Faktor aus 39 Karten) · Set +22% nachgeführt | 4 | 2 mo | £6.99 | 1.38 |
Measured error for this era×language (backtest): ±18 %
No PSA numbers for this print yet — in any language.
Frequently asked questions
Auction or Buy It Now — which gets more for Colress's Experiment Lost Origin 205/196?
Across 20 auctions the median was £1.93, across 94 fixed-price sales £3.65. Fixed price therefore fetched about 89 % more — for this card patience with a set price is the better route.
What will I get for Colress's Experiment Lost Origin 205/196 if I want to sell quickly?
Half of all sales fell between £2.63 and £4.14, with a median of £3.19. 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 Colress's Experiment Lost Origin 205/196 unrealistic?
The cheapest genuine sales were around £1.93. Offers well below £1.16 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.