Details
Price confidence
SetGym Challenge
Number21 / 132
Released2000
PSA population113
Fair range$500–$500
Last sale$500 · Aug 31, 2026
Live listings2 · checked daily
Recent sales
How we price this
Gembook Value is the weighted median of 10 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.