PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $17 |
| PSA 9 | $34.43 |
| PSA 10 | $105.45 |
| BGS 10 | $137 |
| CGC 10 | $63 |
| SGC 10 | $63 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-korean-night-wanderer/pokemon-korean-night-wanderer-cassiopeia-91