Individual Cards · Sword & Shield Black Star Promos
Professor's Research (Professor Willow) SWSH178 Holo Promo
Promo HoloHolofoilSWSH178·Released 2021
Professor's Research (Professor Willow) is a Holo Promo Trainer Supporter card from the Sword & Shield Black Star Promos set (SWSH178). This card features artwork by Kiyotaka Oshiyama and is a staple in many competitive decks. A must-have for collectors and players alike.✦ AI summary
Professor's ResearchProfessor WillowSWSH178Holo PromoPokémon TCG
How much is Professor's Research (Professor Willow) SWSH178 Holo Promo worth?
As of Jul 27, 2026, the market median price of Professor's Research (Professor Willow) SWSH178 Holo Promo is $2.76 on eBay, with 85 active listings.
Market median$2.76
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Active listings85
Live listings right now range from $0.99 to $18.70 (median $2.28, 50 priced listings).
Data updated Jul 27, 2026 · source: live eBay listings, aggregated by TCGKami
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