PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $40.36 |
| PSA 7 | $31 |
| PSA 8 | $50 |
| PSA 9 | $51 |
| PSA 10 | $389.25 |
| BGS 10 | $506 |
| CGC 10 | $72.49 |
| SGC 10 | $234 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-vending/pokemon-japanese-vending-koffing-series-ii-109