PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $12.03 |
| PSA 7 | $4.75 |
| PSA 9 | $10.25 |
| PSA 10 | $49.99 |
| BGS 10 | $65 |
| CGC 10 | $32.49 |
| SGC 10 | $30 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-scarlet-%26-violet-151/pokemon-japanese-scarlet-%26-violet-151-shellder-master-ball-90