Yusuke Kozaki

Pokémon TCG Illustrator

3

Total Cards

1
Professor's Research – Holo

Professor's Research

#84Holo

$9.30

Rainbow Rare
74.4% of set value
2
Professor's Research – Holo

Professor's Research

#78Holo

$2.14

Ultra Rare
17.1% of set value
3
Professor's Research – Normal

Professor's Research

#SWSH178Normal

$0.65

Promo
5.2% of set value
Total Card Value
$12.50
3 cards across all sets, 4 variants total
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Cards (3)Price ListAnalytics
Professor's Research

#SWSH178

SWSH Black Star Promos
Promo

Holo: $0.41

Normal: $0.65

Professor's Research

#78

Pokémon GO
Ultra Rare

Holo: $2.14

 

Professor's Research

#84

Pokémon GO
Rainbow Rare

Holo: $9.30

 

Prices shown assume Near Mint condition and are indicative only, market prices may vary.
Price data last updated on September 9, 2026.