Professor's Research

25th Anniversary Golden Box · #12/15 · None · 2021JPN

$3.74
Market price ▼ 2.1% (30d)
Prices as of Sep 28, 2026
6graded pop
100%gem rate
Market data

Price history

Normal▼ 2.1% 7d
Low $2.99Mid $3.99High $4.99

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Graded market

Graded values

updated 2026-09-28
Grade 6 est.$3.41
Grade 5 est.$2.87
Grade 4 est.$2.37
Grade 3 est.$1.97
Grade 2 est.$1.62
Grade 1 est.$1.36

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$3.59

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

Graded population census · updated 2026-09-18

CGC6 graded · 6 gem 10

Population data from PriceCharting, updated monthly.

How much is Professor's Research #12/15 worth?

A raw copy of Professor's Research #12/15 (25th Anniversary Golden Box, 2021) is worth about $3.74 right now, based on the latest market data from September 28, 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.

Collecting 25th Anniversary Golden Box?Full master set guide — every card, chase list, and completion cost→

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