PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $80.66 |
| PSA 8 | $152.5 |
| PSA 9 | $300 |
| PSA 10 | $667.98 |
| BGS 10 | $700 |
| CGC 10 | $265 |
| SGC 10 | $401 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-red-flash/pokemon-japanese-red-flash-mewtwo-ex-65