Details
Price confidence
SetGym Challenge
Number20 / 132
Released2000
PSA population713
Fair range$223–$244
Last sale$244 · Sep 4, 2026
Live listings4 · checked daily
Recent sales
How we price this
Gembook Value is the weighted median of 11 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.