PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $811.46 |
| PSA 7 | $2338 |
| PSA 8 | $2999.5 |
| PSA 9 | $6394.32 |
| PSA 10 | $54069.56 |
| BGS 10 | $70290 |
| CGC 10 | $8066.05 |
| SGC 10 | $32442 |
Market context: ungraded price -2.2% over 30 days. -2.2% over 90 days. PSA 10 premium: 66.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-mewtwo-1st-edition-10