PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.51 |
| PSA 9 | $14.72 |
| PSA 10 | $30.84 |
| BGS 10 | $40 |
| CGC 10 | $13 |
| SGC 10 | $19 |
Market context: ungraded price -11.6% over 30 days. -11.6% over 90 days. PSA 10 premium: 12.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-old-maid/pokemon-japanese-old-maid-koffing-card