PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $13.6 |
| PSA 8 | $20 |
| PSA 9 | $50.37 |
| PSA 10 | $102.5 |
| BGS 10 | $133 |
| CGC 10 | $62 |
| SGC 10 | $62 |
Market context: ungraded price +9.6% over 30 days. +31.8% over 90 days. PSA 10 premium: 7.5× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-1998-carddass/pokemon-japanese-1998-carddass-blastoise-and-brock-113