PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $18.11 |
| PSA 7 | $112.5 |
| PSA 9 | $220 |
| PSA 10 | $264 |
| BGS 10 | $343 |
| CGC 10 | $73 |
| SGC 10 | $158 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-expedition-expansion-pack/pokemon-japanese-expedition-expansion-pack-butterfree-66