Professor's Research

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

$3.50

Market price ▼ 30.0% (30d)

Prices as of Nov 5, 2026

-75%off ATH $13.78 · Aug 2025

Market data

Price history

Normal▲ 0.0% 7d

Low $1.49Mid $3.50High $6.00

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Graded market

Graded values

updated 2026-11-05

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.

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

A raw copy of Professor's Research #20/23 (Fire Starter Set V, 2019) is worth about $3.50 right now, based on the latest market data from November 5, 2026.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Professor's Research has moved over time.

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Professor's Research

Price history

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Graded values

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

Other printings of Professor's Research 16