PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $500 |
| PSA 7 | $102.61 |
| PSA 8 | $331.77 |
| PSA 9 | $1200 |
| PSA 10 | $1479.24 |
| BGS 10 | $1923 |
| CGC 10 | $888 |
| SGC 10 | $888 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-gr-mewtwo-holo-150