Graded Market · 16 completed sales
Colress's Experiment (Secret) graded prices.
As of July 8, 2026, Colress's Experiment (Secret) (Lost Origin #205) in PSA 10 sells for a median of $34.98, based on 16 real eBay completed sales; the raw copy’s reference price is $3.68 — a 9.5× grading premium at the top grade.
PSA · Colress's Experiment (Secret)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $34.98 | 8 | 9.5× |
| Mint 9 | $15.00 | 5 | 4.1× |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.