PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $18.33 |
| PSA 8 | $40 |
| PSA 9 | $128.36 |
| PSA 10 | $428.53 |
| BGS 10 | $557 |
| CGC 10 | $257 |
| SGC 10 | $257 |
Market context: ungraded price +55.9% over 30 days. +66.8% over 90 days. PSA 10 premium: 23.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-mysterious-mountains/pokemon-japanese-mysterious-mountains-seel-22