PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.55 |
| PSA 7 | $8.53 |
| PSA 8 | $21.36 |
| PSA 9 | $40.92 |
| PSA 10 | $129.99 |
| BGS 10 | $169 |
| CGC 10 | $29.25 |
| SGC 10 | $78 |
TCGplayer market price: $0.77 (as of 2026-10-20)
Market context: ungraded price +8.4% over 30 days. -4.9% over 90 days. PSA 10 premium: 83.9× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-koffing-51