PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5 |
| PSA 8 | $8.62 |
| PSA 9 | $16 |
| PSA 10 | $55.24 |
| BGS 10 | $72 |
| CGC 10 | $33 |
| SGC 10 | $33 |
TCGplayer market price: $7.47 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-gx-starter-decks/pokemon-japanese-gx-starter-decks-mewtwo-gx-42