Graded Market · 6 completed sales
Koraidon - 091 (Prerelease) [Staff] graded prices.
As of August 2, 2026, Koraidon - 091 (Prerelease) [Staff] (Scarlet & Violet Black Star Promos #091) in PSA 10 sells for a median of $180.94, based on 6 real eBay completed sales; the raw copy’s reference price is $25.98 — a 7.0× grading premium at the top grade.
Across Scarlet & Violet Black Star Promos, PSA 10 copies sell for 30.9× their raw reference price on average (123 cards, 10,550 PSA 10 completed sales tracked).
PSA · Koraidon - 091 (Prerelease) [Staff]
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $180.94 | 3 | 7.0× |
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.