PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.89 |
| PSA 7 | $19 |
| PSA 8 | $40.84 |
| PSA 9 | $58 |
| PSA 10 | $286.45 |
| BGS 10 | $372 |
| CGC 10 | $172 |
| SGC 10 | $172 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-ekans-blue-back-23