The most valuable card illustrated by tetsuya koizumi is Raichu & Alolan Raichu GX (Unified Minds) at $370, ahead of Persian ($300) and Garbodor ($65).
Value counts each card once at its highest-priced printing. The homepage leaderboard additionally requires a priced rarity cohort, so its totals run slightly leaner.
By TCGplayer market price, the most valuable tetsuya koizumi card is Raichu & Alolan Raichu GX (Unified Minds) at $370, followed by Persian (SM Black Star Promos) $300, Garbodor (SWSH Black Star Promos) $65, Heatran (SM Black Star Promos) $52, Tornadus V (Chilling Reign) $31. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 63 Pokemon cards illustrated by tetsuya koizumi across 66 printings, with a combined market value of $894 counting each card once at its priciest printing.