Colress's Experiment
| ebay.es | n=5 | £1.73 | +134% |
| ebay.de | n=7 | £1.64 | +122% |
| ebay.com | n=11 | £0.74 | — |
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 | 9 | 2 mo | £0.51 | 73.47 |
Measured error for this era×language (backtest): ±17 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0223 (Sprach-Faktor aus 108 Karten) | 9 | 2 mo | £0.52 | 2.58 |
Measured error for this era×language (backtest): ±22 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.5305 (Sprach-Faktor aus 50 Karten) · Set -27% nachgeführt | 9 | 2 mo | £0.64 | 2.5 |
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 × 1.0335 (Sprach-Faktor aus 37 Karten) | 9 | 2 mo | £0.53 | 3.93 |
Measured error for this era×language (backtest): ±18 %
No PSA numbers for this print yet — in any language.
#GG59 · UR
#205 · SEC
#120 · U
#190 · UR
#186 · UR
#180 · UR
#TG16 · UR
#TG17 · UR
#TG06 · HR
#TG05 · HR
#TG30 · SEC
#201 · SECFrequently asked questions
What will I get for Colress's Experiment Lost Origin 155/196 if I want to sell quickly?
Half of all sales fell between £0.74 and £1.64, with a median of £1.10. 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 155/196 unrealistic?
The cheapest genuine sales were around £0.71. Offers well below £0.43 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.