PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.21 |
| PSA 8 | $16.99 |
| PSA 9 | $19 |
| PSA 10 | $34.88 |
| BGS 10 | $45 |
| CGC 10 | $21 |
| SGC 10 | $21 |
Market context: ungraded price +9.4% over 30 days. +34.5% over 90 days. PSA 10 premium: 8.3× 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-119