PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $345 |
| PSA 7 | $2507.28 |
| PSA 8 | $3699 |
| PSA 9 | $6337.5 |
| PSA 10 | $43216.4 |
| BGS 10 | $56181 |
| CGC 10 | $7976.93 |
| SGC 10 | $25930 |
Market context: ungraded price -5.8% over 30 days. -58.4% over 90 days. PSA 10 premium: 125.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-mewtwo-1st-edition-10