Yusuke Kozaki

Pokemon TCG Illustrator

Total Cards

Professor's Research

#84Holo

$8.73

Rainbow Rare

79.9% of set value

Professor's Research

#78Holo

$1.83

Ultra Rare

16.7% of set value

Professor's Research

#SWSH178Holo

$0.37

Promo

3.4% of set value

3 cards across all sets, 3 variants total

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Cards per row:

☐	Set	Name	#	Rarity	Variant	Price
☐	SWSH Black Star Promos	Professor's Research	SWSH178	Promo	Holo	$0.37
☐	Pokémon GO	Professor's Research	78	Ultra Rare	Holo	$1.83
☐	Pokémon GO	Professor's Research	84	Rainbow Rare	Holo	$8.73
	Total: 3 cards					$10.93

Prices are indicative and may not reflect current market values.
Price data last updated on January 25, 2026.