PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10.72 |
| PSA 8 | $13.52 |
| PSA 9 | $37.4 |
| PSA 10 | $86.13 |
| BGS 10 | $112 |
| CGC 10 | $69.99 |
| SGC 10 | $17.5 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-red-flash/pokemon-japanese-red-flash-mewtwo-ex-27