PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.89 |
| PSA 9 | $6.2 |
| PSA 10 | $24.06 |
| BGS 10 | $31 |
| CGC 10 | $5.5 |
| SGC 10 | $14 |
Market context: ungraded price +17.4% over 30 days. +68.7% over 90 days. PSA 10 premium: 12.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-tcg-classic-blastoise-deck/pokemon-tcg-classic-blastoise-deck-bill-18