PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $29.47 |
| PSA 8 | $15.5 |
| PSA 9 | $82.81 |
| PSA 10 | $99 |
| BGS 10 | $129 |
| CGC 10 | $59 |
| SGC 10 | $59 |
Market context: ungraded price +30.1% over 30 days. +47.4% over 90 days. PSA 10 premium: 3.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-mysterious-mountains/pokemon-japanese-mysterious-mountains-gastly-41