PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $39.99 |
| PSA 8 | $355 |
| PSA 9 | $417.72 |
| PSA 10 | $4725 |
| BGS 10 | $6143 |
| CGC 10 | $2835 |
| SGC 10 | $2835 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-red-%26-green-gift-set/pokemon-japanese-red-%26-green-gift-set-mewtwo-150