PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $9.86 |
| PSA 7 | $21.73 |
| PSA 8 | $66.86 |
| PSA 9 | $74 |
| PSA 10 | $237.56 |
| BGS 10 | $309 |
| CGC 10 | $138.66 |
| SGC 10 | $143 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-squirtle-1999-2000-63