PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.8 |
| PSA 8 | $8.86 |
| PSA 9 | $12 |
| PSA 10 | $30 |
| BGS 10 | $39 |
| CGC 10 | $14 |
| SGC 10 | $18 |
TCGplayer market price: $0.51 (as of 2026-08-29)
Market context: ungraded price -4.8% over 30 days. -9.1% over 90 days. PSA 10 premium: 16.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-classic-blastoise/pokemon-japanese-classic-blastoise-professor-oak-26