PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.71 |
| PSA 8 | $11 |
| PSA 9 | $14.77 |
| PSA 10 | $36.92 |
| BGS 10 | $48 |
| CGC 10 | $10 |
| SGC 10 | $22 |
Market context: ungraded price -11.8% over 30 days. -10.3% over 90 days. PSA 10 premium: 7.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-terastal-festival/pokemon-japanese-terastal-festival-cornerstone-mask-ogerpon-ex-216