Professor's Research

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

$9.39
Market price ▼ 0.5% (30d)
Prices as of Oct 15, 2026
SupporterArt · Yusuke Kozaki
4.2×PSA 10 vs raw
-73%off ATH $34.14 · May 2023
Market data

Price history

Secret▲ 3.0% 7d
Low $7.43Mid $9.30

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Graded market

Graded values

PSA 10 report →updated 2026-10-14
Grade 6 est.$7.95
Grade 5 est.$6.70
Grade 4 est.$5.52
Grade 3 est.$4.60
Grade 2 est.$3.77
Grade 1 est.$3.18

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$39.59

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 $9.39 right now, based on the latest market data from October 15, 2026.

Grading changes the math on this one: a PSA 10 is valued around $39.59, roughly 4.2x 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 #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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