Pokémon · SWSH: Sword & Shield Promo Cards (2023)

Professor's Research [Professor Willow] SWSH178 (with Pokemon Go Code) 199/165 price

Professor's Research [Professor Willow] SWSH178 (with Pokemon Go Code) 199/165 card

Raw$2.42PSA 10$38.87×16

Updated: 2026-10-02

Got Professor's Research [Professor Willow] SWSH178 (with Pokemon Go Code) 199/165? Snap a photo and CardFolio's AI estimates the PSA grade yours would get and what it's worth in its real condition (app in Spanish).

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How much is Professor's Research [Professor Willow] SWSH178 (with Pokemon Go Code) 199/165 worth?

Professor's Research [Professor Willow] SWSH178 (with Pokemon Go Code) 199/165 from SWSH: Sword & Shield Promo Cards (2023) is worth $2.42 raw (ungraded), based on real sales. A PSA 10 copy sells for $38.87, about 16x more. PSA 9 is around $14.80. It is the #13 most valuable of the 13 SWSH: Sword & Shield Promo Cards cards we track.

Raw · $2.42PSA10 · $38.87PSA9.5 · $15.83PSA9 · $14.80

Our prices, based on real sales. Tap a grade to switch series and hover the line to see each sale.

Price by grade

Raw$2.42PSA 10$38.87PSA 9.5$15.83PSA 9$14.80

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