PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $15.23 |
| PSA 9 | $43.74 |
| PSA 10 | $52 |
| BGS 10 | $68 |
| CGC 10 | $22.45 |
| SGC 10 | $31 |
Market context: ungraded price +1.2% over 30 days. -12.0% over 90 days. PSA 10 premium: 3.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-blue-sky-stream/pokemon-japanese-blue-sky-stream-froslass-87