The most valuable card illustrated by Hideki Ishikawa is Misty’s Favor (Unified Minds) at $372, ahead of Solgaleo & Lunala GX ($322) and Rayquaza VMAX ($188).
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 Hideki Ishikawa card is Misty’s Favor (Unified Minds) at $372, followed by Solgaleo & Lunala GX (Cosmic Eclipse) $322, Rayquaza VMAX (Silver Tempest Trainer Gallery) $188, Professor Elm’s Lecture (Lost Thunder) $182, Solgaleo & Lunala GX (Cosmic Eclipse) $120. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 110 Pokemon cards illustrated by Hideki Ishikawa across 112 printings, with a combined market value of $1,830 counting each card once at its priciest printing.