Professor's Research

SWSH Black Star Promos · #SWSH178/307 · Promo · 2019

$0.65
Market price ▲ 1.6% (30d)
Prices as of Jul 26, 2026
with Pokemon Go CodeUnlimited
SupporterArt · Yusuke Kozaki

Printings & price history

with Pokemon Go Code▼ 5.8% 7d$0.65
Low $0.44Mid $0.75

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Graded values

updated 2026-07-26
Grade 6 est.$0.48
Grade 5 est.$0.41
Grade 4 est.$0.34
Grade 3 est.$0.28
Grade 2 est.$0.23
Grade 1 est.$0.19

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Grade 9.5 price history$2.00

Grade 9.5 chart is building — graded values are tracked nightly, a new point appears each day.

How much is Professor's Research #SWSH178/307 worth?

Professor's Research #SWSH178/307 is a Promo card from SWSH Black Star Promos (2019) — today it trades at roughly $0.65 ungraded. Across the 2 printings we track, copies run anywhere from $0.14 to $19.98 depending on the version you're holding.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Other printings of Professor's Research 16

Professor's Research #85 Black Bolt
Professor's Research
Black Bolt · #85/86
Professor's Research #84 Black Bolt (Japanese)
Professor's Research
Black Bolt (Japanese) · #84/86
Professor's Research #84 Black Bolt (Japanese)
Professor's Research
Black Bolt (Japanese) · #84/86
Professor's Research #155 Journey Together
Professor's Research
Journey Together · #155/159
Professor's Research #17 ex Starter Set Marnie's Morpeko & Grimmsnarl ex (Japanese)
Professor's Research
ex Starter Set Marnie's Morpeko & Grimmsnarl ex (Japanese) · #17/19
Professor's Research #16 ex Starter Set Steven's Beldum & Metagross ex (Japanese)
Professor's Research
ex Starter Set Steven's Beldum & Metagross ex (Japanese) · #16/18
Professor's Research #35 Battle Partners Deck Build Box (Japanese)
Professor's Research
Battle Partners Deck Build Box (Japanese) · #35/45
Professor's Research #122 Prismatic Evolutions
Professor's Research
Prismatic Evolutions · #122/131
Professor's Research #123 Prismatic Evolutions
Professor's Research
Prismatic Evolutions · #123/131
Professor's Research #124 Prismatic Evolutions
Professor's Research
Prismatic Evolutions · #124/131
Professor's Research #125 Prismatic Evolutions
Professor's Research
Prismatic Evolutions · #125/131
Professor's Research #162 Generations Start Decks (Japanese)
Professor's Research
Generations Start Decks (Japanese) · #162/175
Professor's Research #163 Generations Start Decks (Japanese)
Professor's Research
Generations Start Decks (Japanese) · #163/175
Professor's Research #164 Generations Start Decks (Japanese)
Professor's Research
Generations Start Decks (Japanese) · #164/175
Professor's Research #165 Generations Start Decks (Japanese)
Professor's Research
Generations Start Decks (Japanese) · #165/175
Professor's Research #166 Generations Start Decks (Japanese)
Professor's Research
Generations Start Decks (Japanese) · #166/175