PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.76 |
| PSA 9 | $12.9 |
| PSA 10 | $42.84 |
| BGS 10 | $56 |
| CGC 10 | $26 |
| SGC 10 | $26 |
Market context: ungraded price -0.6% over 30 days. -0.6% over 90 days. PSA 10 premium: 24.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-mask-of-change/pokemon-japanese-mask-of-change-cornerstone-mask-ogerpon-ex-65