PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.76 |
| PSA 8 | $2.25 |
| PSA 9 | $14.87 |
| PSA 10 | $26 |
| BGS 10 | $34 |
| CGC 10 | $16 |
| SGC 10 | $16 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-chinese-151-collect/pokemon-chinese-151-collect-blastoise-ex-9