PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $8.9 |
| PSA 7 | $26 |
| PSA 8 | $57.5 |
| PSA 9 | $90 |
| PSA 10 | $1227.58 |
| BGS 10 | $1596 |
| CGC 10 | $144.99 |
| SGC 10 | $737 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-butterfree-blue-back-12