PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.52 |
| PSA 9 | $23.61 |
| PSA 10 | $28 |
| BGS 10 | $36 |
| CGC 10 | $17 |
| SGC 10 | $17 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-blue-shock/pokemon-japanese-blue-shock-gastly-22