PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.31 |
| PSA 7 | $16.99 |
| PSA 8 | $17.49 |
| PSA 9 | $36.29 |
| PSA 10 | $295.25 |
| BGS 10 | $384 |
| CGC 10 | $177 |
| SGC 10 | $177 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-ekans-green-back-23