Graded Market · 88 completed sales
Cornerstone Mask Ogerpon ex - 160/131 graded prices.
As of August 19, 2026, Cornerstone Mask Ogerpon ex - 160/131 (Prismatic Evolutions #160) in PSA 10 sells for a median of $89.99, based on 88 real eBay completed sales; the raw copy’s reference price is $17.00 — a 5.3× grading premium at the top grade.
Across Prismatic Evolutions, PSA 10 copies sell for 45.0× their raw reference price on average (123 cards, 8,608 PSA 10 completed sales tracked).
PSA · Cornerstone Mask Ogerpon ex - 160/131
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $89.99 | 43 | 5.3× |
| Mint 9 | $23.00 | 32 | 1.4× |
CGC · Cornerstone Mask Ogerpon ex - 160/131
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Mint 9 | $15.99 | 3 | 0.9× |
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.