The most valuable card illustrated by Kyoko Umemoto is Gengar (Skyridge) at $1,200, ahead of Arcanine ($475) and Squirtle ($458).
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 Kyoko Umemoto card is Gengar (Skyridge) at $1,200, followed by Arcanine (Aquapolis) $475, Squirtle (Expedition Base Set) $458, Espeon (Aquapolis) $290, Gastly (Skyridge) $175. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 179 Pokemon cards illustrated by Kyoko Umemoto across 183 printings, with a combined market value of $5,667 counting each card once at its priciest printing.