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Professor's Research [Professor Willow] (with Pokemon Go Code).

Sword & Shield Promo Cards · SWSH178 · Promo
updated Aug 14, 2026
Professor's Research [Professor Willow] (with Pokemon Go Code) SWSH178 from Sword & Shield Promo Cards
Raw market value · Normal
$0.61.
near mint, ungraded7 day – · 30 day -11.6%
Price by printing
Normalthis page$0.61
Check live eBay pricesAffiliate link. Prices above are what the card actually sold for, not asking prices.

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The same card in other sets

Pokemon GO084/078$8.81Pokemon GO078/078$2.18Sword & Shield Promo CardsSWSH178$0.50

What moves the price of this card

The Professor's Research [Professor Willow] (with Pokemon Go Code) on this page is the Normal printing from Sword & Shield Promo Cards, and it trades at $0.61 in near mint condition. Only one printing of this card was produced, so there is no cheaper version to confuse it with.

Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.