PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.84 |
| PSA 10 | $30.85 |
| BGS 10 | $40 |
| CGC 10 | $13 |
| SGC 10 | $19 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-old-maid/pokemon-japanese-old-maid-koffing-card