PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.26 |
| PSA 8 | $17.04 |
| PSA 9 | $43.42 |
| PSA 10 | $70 |
| BGS 10 | $91 |
| CGC 10 | $49.99 |
| SGC 10 | $42 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-challenge-from-the-darkness/pokemon-japanese-challenge-from-the-darkness-koga-s-muk-89