PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10 |
| PSA 9 | $34.56 |
| PSA 10 | $41 |
| BGS 10 | $53 |
| CGC 10 | $25 |
| SGC 10 | $25 |
Market context: ungraded price -4.2% over 30 days. -33.6% over 90 days. PSA 10 premium: 4.1× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-blue-sky-stream/pokemon-japanese-blue-sky-stream-froslass-87