Graded Market · 35 completed sales
Colress's Experiment graded prices.
As of August 20, 2026, Colress's Experiment (Crown Zenith Galarian Gallery #GG59) in PSA 10 sells for a median of $43.97, based on 35 real eBay completed sales; the raw copy’s reference price is $3.38 — a 13.0× grading premium at the top grade.
Across Crown Zenith Galarian Gallery, PSA 10 copies sell for 8.8× their raw reference price on average (70 cards, 9,706 PSA 10 completed sales tracked).
PSA · Colress's Experiment
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $43.97 | 18 | 13.0× |
| Mint 9 | $18.99 | 6 | 5.6× |
CGC · Colress's Experiment
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $29.99 | 4 | 8.9× |
| Mint 9 | $12.64 | 3 | 3.7× |
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.