PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $125.36 |
| PSA 7 | $248.79 |
| PSA 8 | $366.69 |
| PSA 9 | $1109.37 |
| PSA 10 | $1331 |
| BGS 10 | $1730 |
| CGC 10 | $799 |
| SGC 10 | $799 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-blastoise-ex-jumbo-XY122