Graded Market · 13 completed sales
Koga (106) graded prices.
As of July 8, 2026, Koga (106) (Gym Challenge #106) in PSA 10 sells for a median of $103.50, based on 13 real eBay completed sales; the raw copy’s reference price is $4.51 — a 22.9× grading premium at the top grade.
PSA · Koga (106)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $103.50 | 5 | 22.9× |
| Mint 9 | $26.00 | 6 | 5.8× |
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.