Professor's Research is card #SWSH178 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by Yusuke Kozaki. At about $0.43 it is the #295 most valuable card in the set.


















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An ungraded Professor's Research from SWSH Black Star Promos sells for about $0.43. A PSA 10 is worth more, roughly $2.15 by our estimate, and a PSA 9 around $0.99.
It is a Promo.
Yusuke Kozaki drew the art for this card.