About Professor's Research

Professor's Research from the Sword & Shield Black Star Promo set (#SWSH178) is a Pokemon trading card released in 2019. It has a rarity of Promo. The most recent PSA 9 sale was $2.25 on April 28, 2026. A raw (ungraded) copy last sold for $1.77 on June 15, 2026. CardIndex has tracked 14 total sales across all grades for this card. There are currently 31 active listings for Professor's Research.

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