PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10.37 |
| PSA 8 | $12.63 |
| PSA 9 | $17.15 |
| PSA 10 | $101.23 |
| BGS 10 | $132 |
| CGC 10 | $61 |
| SGC 10 | $61 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ex-battle-boost/pokemon-japanese-ex-battle-boost-mewtwo-ex-45