Yu-Gi-Oh!
Mathematician
Quarter Century Stampede · 223qsec · Quarter Century Secret Rare
Current UK price · near mint
£2.89▼ 2.4%
As of 2026-05-25 · folio price index · last 7 days
About this card
Mathematician is a Quarter Century Secret Rare from Quarter Century Stampede, part of the Yu-Gi-Oh! trading card game. Track its price, watch its history, and manage your full TCG collection — across 13 games and counting — with folio. Built by collectors, for collectors.