Professor's Research

Water Starter Set V · #20/23 · None · 2019JPN

$6.00
Market price ▲ 0.0% (1Y)
Prices as of Sep 26, 2026
-17%off ATH $7.24 · Jul 2026
Market data

Price history

Normal▲ 0.0% 7d
Low $6.00Mid $6.00High $6.00

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Graded market

Graded values

updated 2026-09-26
Grade 6 est.$6.88
Grade 5 est.$5.79
Grade 4 est.$4.78
Grade 3 est.$3.98
Grade 2 est.$3.26
Grade 1 est.$2.75

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

Ungraded price history$7.24

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

How much is Professor's Research #20/23 worth?

Professor's Research #20/23 is a None Japanese card from Water Starter Set V (2019) — today it trades at roughly $6.00 ungraded.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.

Collecting Water Starter Set V?Full master set guide — every card, chase list, and completion cost→

Other printings of Professor's Research 16

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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 #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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