Professor's Research

Start Deck 100 · #403/414 · 2021JPN

$0.90
Market price ▼ 9.1% (1Y)
Prices as of Jul 26, 2026
0%off ATH $1.99 · Jul 2026

Price history

Normal▼ 9.1% 7d$0.90
Low $0.25Mid $0.90

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Graded values

updated 2026-07-26
Grade 6 est.$1.89
Grade 5 est.$1.59
Grade 4 est.$1.31
Grade 3 est.$1.09
Grade 2 est.$0.90
Grade 1 est.$0.76

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$1.99

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

How much is Professor's Research #403/414 worth?

A raw copy of Professor's Research #403/414 (Start Deck 100, 2021) is worth about $0.90 right now, based on the latest market data from July 26, 2026.

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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