PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.43 |
| PSA 7 | $4.88 |
| PSA 9 | $21.86 |
| PSA 10 | $117.5 |
| BGS 10 | $153 |
| CGC 10 | $71 |
| SGC 10 | $71 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-thunder-knuckle/pokemon-japanese-thunder-knuckle-vaporeon-9