PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10.93 |
| PSA 9 | $27.71 |
| PSA 10 | $49.95 |
| BGS 10 | $65 |
| CGC 10 | $15 |
| SGC 10 | $30 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-mask-of-change/pokemon-japanese-mask-of-change-cornerstone-mask-ogerpon-ex-128