Graded Market · 15 completed sales
Cornerstone Mask Ogerpon ex - 199/167 graded prices.
As of July 8, 2026, Cornerstone Mask Ogerpon ex - 199/167 (Twilight Masquerade #199) in PSA 10 sells for a median of $59.99, based on 15 real eBay completed sales; the raw copy’s reference price is $3.54 — a 16.9× grading premium at the top grade.
PSA · Cornerstone Mask Ogerpon ex - 199/167
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $59.99 | 3 | 16.9× |
| Mint 9 | $14.75 | 6 | 4.2× |
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.