Gym Challenge/#79/132Gembook Valuei·PSA 7As of Jun 16, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 2 verified sales
Fair range $14–$17
Confidence Limited · weighted median of 2 verified sales
Fair range $14–$17
Koga's Koffing
$15#13101 Overall#862 in Gym Challenge▲ 1.3%SET · 30D
1ST EDITION · PSA 7G
Price History▼ 18.2%
Details
SetGym Challenge
Number79 / 132
Released2000
PSA population18
Price confidenceLimited
Fair range$14–$17
Last sale$14 · Mar 26, 2026
Live listings0 · checked daily
Live listings
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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.