PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.17 |
| PSA 7 | $19 |
| PSA 8 | $23.49 |
| PSA 9 | $42.36 |
| PSA 10 | $305 |
| BGS 10 | $397 |
| CGC 10 | $41.04 |
| SGC 10 | $10 |
Market context: ungraded price +8.0% over 30 days. -20.8% over 90 days. PSA 10 premium: 140.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-expansion-pack/pokemon-japanese-expansion-pack-koffing-109