Base/#51/102Gembook Valuei·PSA 4As of Jun 14, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 2 verified sales
Fair range $12 – $20
Confidence Limited · weighted median of 2 verified sales
Fair range $12 – $20
Koffing
$16#12853 Overall#1731 in Base▲ 6.5%SET · 30D
1ST EDITION · PSA 4G
Price History▲ 33.3%
Details
SetBase
Number51 / 102
Released1999
PSA population24
Price confidenceLimited
Fair range$12 – $20
Last sale$20 · Dec 24, 2025
Live listings0 · checked daily
Recent sales
2 verified · 3 shownDec 24, 2025eBay$20—
Nov 16, 2025eBay$12—
Mar 2, 2025eBay$15—
Live listings
No live listings right now. New eBay listings for this card appear here within a day of going up.
Other Koffing cards
See all Koffing →
How we price this
Gembook Value is the weighted median of 2 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.