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. Current fair market values for Professor's Research are PSA 9: $2.25, Raw: $0.67. The most recent PSA 9 sale was $2.25 on April 28, 2026. A raw (ungraded) copy last sold for $2.13 on June 22, 2026. CardIndex has tracked 74 total sales across all grades for this card. There are currently 54 active listings for Professor's Research.
