PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $30.39 |
| PSA 7 | $235.34 |
| PSA 8 | $740 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-mewtwo-glossy-pocket-monsters-fan-book-150