PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $165.18 |
| PSA 9 | $108.21 |
| PSA 10 | $755 |
| BGS 10 | $982 |
| CGC 10 | $453 |
| SGC 10 | $453 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-20th-anniversary/pokemon-japanese-20th-anniversary-m-blastoise-ex-1st-edition-93