PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $79.99 |
| PSA 7 | $139.84 |
| PSA 8 | $255 |
| PSA 9 | $413.53 |
| PSA 10 | $3095.4 |
| BGS 10 | $4024 |
| CGC 10 | $850.28 |
| SGC 10 | $1857 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-vending/pokemon-japanese-vending-mewtwo-series-iii-150