Professor's Research

ex Start Decks · #136/139 · None · 2023JPN

$0.25
Market price ▲ 0.0% (30d)
Prices as of Aug 14, 2026
0%off ATH $0.50 · Sep 2025
Market data

Price history

Normal▲ 0.0% 7d
Low $0.10Mid $0.25

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Graded market

Graded values

updated 2026-08-13
Grade 6 est.$0.48
Grade 5 est.$0.40
Grade 4 est.$0.33
Grade 3 est.$0.28
Grade 2 est.$0.23
Grade 1 est.$0.19

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$0.50

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

How much is Professor's Research #136/139 worth?

As of August 14, 2026, Professor's Research #136/139 from ex Start Decks sells for around $0.25 in raw, ungraded condition.

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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