The most valuable card illustrated by Keiko Fukuyama is Psyduck (Aquapolis) at $700, ahead of Mew ($624) and Meowth ($298).
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 Keiko Fukuyama card is Psyduck (Aquapolis) at $700, followed by Mew (Southern Islands) $624, Meowth (Skyridge) $298, Togepi (Southern Islands) $223, Wooper (Aquapolis) $192. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 20 Pokemon cards illustrated by Keiko Fukuyama across 20 printings, with a combined market value of $3,301 counting each card once at its priciest printing.