PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $56 |
| PSA 7 | $57.35 |
| PSA 8 | $282.75 |
| PSA 9 | $770 |
| PSA 10 | $3450 |
| BGS 10 | $4485 |
| CGC 10 | $2070 |
| SGC 10 | $2070 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-holon-research/pokemon-japanese-holon-research-mewtwo-1st-edition-19