PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.8 |
| PSA 9 | $2.73 |
| PSA 10 | $30.49 |
| BGS 10 | $40 |
| CGC 10 | $4.7 |
| SGC 10 | $18 |
Market context: ungraded price -0.6% over 30 days. -9.5% over 90 days. PSA 10 premium: 16.9× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-tcg-classic-blastoise-deck/pokemon-tcg-classic-blastoise-deck-ultra-ball-30