Gym Challenge/#78/132Gembook Valuei·PSA 10As of Jun 15, 2026 · updated daily at 6:00 AM PT
Confidence Moderate · weighted median of 4 verified sales
Fair range $100 – $158
Confidence Moderate · weighted median of 4 verified sales
Fair range $100 – $158
Koga's Grimer
$102#6100 Overall#361 in Gym Challenge▲ 1.7%SET · 30D
1ST EDITION · PSA 10G
Price History▲ 42.8%
Details
SetGym Challenge
Number78 / 132
Released2000
PSA population160
Price confidenceModerate
Fair range$100 – $158
Last sale$100 · May 23, 2026
Live listings0 · checked daily
Recent sales
4 verified · 13 shownMay 23, 2026eBay$100−$2
May 17, 2026eBay$158+$56
Apr 16, 2026eBay$199+$97
Mar 29, 2026eBay$123+$21
Mar 15, 2026eBay$92−$10
Live listings
No live listings right now. New eBay listings for this card appear here within a day of going up.
How we price this
Gembook Value is the weighted median of 4 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.