PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.73 |
| PSA 9 | $18.2 |
| PSA 10 | $26.87 |
| BGS 10 | $35 |
| CGC 10 | $16 |
| SGC 10 | $16 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-blue-sky-stream/pokemon-japanese-blue-sky-stream-schoolboy-78