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 $6.61 on February 21, 2026. CardIndex has tracked 2 total sales across all grades for this card. There are currently 127 active listings for Professor's Research.

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