PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $94.18 |
| PSA 7 | $100 |
| PSA 8 | $159.99 |
| PSA 9 | $585 |
| PSA 10 | $2750 |
| BGS 10 | $3575 |
| CGC 10 | $1650 |
| SGC 10 | $1650 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-blastoise-blue-back-9