PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $255.96 |
| PSA 8 | $2000 |
| PSA 9 | $2452.77 |
| PSA 10 | $8025.22 |
| BGS 10 | $10433 |
| CGC 10 | $4815 |
| SGC 10 | $4815 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-best-of-game/pokemon-best-of-game-rocket-s-mewtwo-jumbo-8