Professor's Research

Pokémon GO · #84/78 · Rare Rainbow · 2022

$9.19
Market price ▲ 4.6% (30d)
Prices as of Jul 26, 2026
SupporterArt · Yusuke Kozaki
3.9×PSA 10 vs raw
-74%off ATH $34.14 · May 2023

Price history

Secret▲ 3.7% 7d$9.19
Low $7.48Mid $9.61

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Graded values

updated 2026-07-26
Grade 6 est.$8.54
Grade 5 est.$7.19
Grade 4 est.$5.93
Grade 3 est.$4.94
Grade 2 est.$4.05
Grade 1 est.$3.42

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

PSA 10 price history$35.67

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

“Professor Willow”

How much is Professor's Research #84/78 worth?

A raw copy of Professor's Research #84/78 (Pokémon GO, 2022) is worth about $9.19 right now, based on the latest market data from July 26, 2026.

Grading changes the math on this one: a PSA 10 is valued around $35.67, roughly 3.9x the raw price, while a PSA 9 sits near $15.99.

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