The most valuable card illustrated by Yoko Hishida is Vanillish (White Flare) at $13, ahead of Budew ($7) and Togepi ($0).
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 Yoko Hishida card is Vanillish (White Flare) at $13, followed by Budew (Ascended Heroes) $7, Togepi (Ascended Heroes) $0, Skitty (Ascended Heroes) $0, Skitty (Ascended Heroes) $0. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 5 Pokemon cards illustrated by Yoko Hishida across 9 printings, with a combined market value of $21 counting each card once at its priciest printing.