PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $48.13 |
| PSA 7 | $73.88 |
| PSA 8 | $171.25 |
| PSA 9 | $685 |
| PSA 10 | $6050 |
| BGS 10 | $7865 |
| CGC 10 | $3630 |
| SGC 10 | $3630 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-mewtwo-blue-back-150