Cornerstone Mask Ogerpon ex 091/187 — Terastal Festival ex
Double Rare · Terastal Festival ex
Japanese Cornerstone Mask Ogerpon ex 91/187 Terastal Festival ex price today: $0.29 raw, $10.81 PSA 9, $28.99 PSA 10. PSA pop 58 (78% gem). Updated Oct 25.
Cornerstone Mask Ogerpon ex 091/187 price
- Current raw price: $0.29 (as of 2026-10-26)
- Past month: +$0.01 (+4%) from $0.28
- Past 3 months: $0.00 (+0%) from $0.29
- Past year: +$0.07 (+32%) from $0.22
- 1-year high: $0.30, low: $0.16
- About 54 sales a year (PriceCharting)
Graded prices
| Grade | Price |
|---|---|
| Raw | $0.29 |
| PSA 9 | $10.81 |
| PSA 10 | $28.99 |
| BGS 10 | $38.00 |
| CGC 10 | $10.00 |
PSA 10 premium: 100.0x the raw price.
PSA population
- Total graded: 58
- Gem rate (PSA 10 share): 78%
- Population week: 2026-10-26
| Grade | Graded |
|---|---|
| PSA 8 | 2 |
| PSA 9 | 11 |
| PSA 10 | 45 |