PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $25.15 |
| PSA 7 | $36.42 |
| PSA 8 | $46.4 |
| PSA 9 | $80.63 |
| PSA 10 | $583.93 |
| BGS 10 | $759 |
| CGC 10 | $85.5 |
| SGC 10 | $350 |
TCGplayer market price: $34.03 (as of 2026-08-29)
Market context: ungraded price +0.0% over 30 days. +1.2% over 90 days. PSA 10 premium: 23.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-koffing-1st-edition-51