PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.88 |
| PSA 9 | $7.5 |
| PSA 10 | $30.49 |
| BGS 10 | $40 |
| CGC 10 | $10 |
| SGC 10 | $18 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-tcg-classic-blastoise-deck/pokemon-tcg-classic-blastoise-deck-ultra-ball-30