Professor's Research

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

$9.15
Market price ▲ 2.9% (30d)
Prices as of Sep 25, 2026
SupporterArt · Yusuke Kozaki
3.9×PSA 10 vs raw
-73%off ATH $34.14 · May 2023
Market data

Price history

Secret▼ 5.9% 7d
Low $7.50Mid $9.59

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Graded market

Graded values

PSA 10 report →updated 2026-09-25
Grade 6 est.$8.35
Grade 5 est.$7.03
Grade 4 est.$5.80
Grade 3 est.$4.83
Grade 2 est.$3.96
Grade 1 est.$3.34

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$39.77

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 $9.15 right now, based on the latest market data from September 25, 2026.

Grading changes the math on this one: a PSA 10 is valued around $39.77, roughly 4.3x 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.

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Other printings of Professor's Research 16

Professor's Research #85 Black Bolt
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Professor's Research #84 Black Bolt (Japanese)
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Professor's Research #84 Black Bolt (Japanese)
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Professor's Research #16 ex Starter Set Steven's Beldum & Metagross ex (Japanese)
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Professor's Research #35 Battle Partners Deck Build Box (Japanese)
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Professor's Research #122 Prismatic Evolutions
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Professor's Research #123 Prismatic Evolutions
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Professor's Research #124 Prismatic Evolutions
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Professor's Research #125 Prismatic Evolutions
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Professor's Research #162 Generations Start Decks (Japanese)
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Professor's Research #163 Generations Start Decks (Japanese)
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Professor's Research #164 Generations Start Decks (Japanese)
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Professor's Research #165 Generations Start Decks (Japanese)
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Professor's Research #166 Generations Start Decks (Japanese)
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