Professor's Research

Sword & Shield Promo

Set: Sword & Shield PromoNumber: SWSH178Updated 9/11/2026

Market price

$0.42

TCGPlayer

$0.42

eBay avg

$0.42

Variants

PSA 10

$18

PSA 9

$12

Variant

Price History

In the app

Price movement over time is available in the PokiFrame app.

eBay Sold Prices

22 sales

Raw22 sales · $6.95–$6.95

$0.42

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Graded Prices

4 sales

Average sold prices by grading company. Grades run 1–10 — a 10 (Gem Mint) carries the biggest premium, with PSA, CGC, and BGS the most widely traded grades.

109.598.58

PSA

$18

1 sold

$12

2 sold

About Professor's Research

Professor's Research is card SWSH178 from the Sword & Shield Promo set.

The current TCGPlayer market price is $0.42. A PSA 10 (Gem Mint) copy recently averaged $18.48 — about 44.0× the ungraded price, showing how much professional grading can add to Professor's Research's value.

PokiFrame aggregates this data from TCGPlayer, CardMarket, and eBay so you can confirm Professor's Research's value before you buy, sell, or trade.

Browse more cards from Sword & Shield Promo

Professor's Research — common questions

How much is Professor's Research worth?: Professor's Research from Sword & Shield Promo has a market price of $0.42 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Professor's Research worth?: Recent PSA 10 (Gem Mint) sales of Professor's Research averaged $18.48, about 44.0× the ungraded price. A PSA 9 averaged $11.89.