Professor's Research is card #SWSH152 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by Yuu Nishida. At about $2.30 it is the #187 most valuable card in the set.


















See the full SWSH Black Star Promos card list
An ungraded Professor's Research from SWSH Black Star Promos sells for about $2.30. A PSA 10 is worth more, roughly $11.50 by our estimate, and a PSA 9 around $5.29.
It is a Promo.
Yuu Nishida drew the art for this card.