Professor Juniper

Thunder Knuckle · #55/51 · Super Rare · 2012JPN

$90.50

1st Edition · Market price ▼ 39.7% (1Y)

Prices as of Aug 14, 2026

Standard 1st Edition

478graded pop

40%gem rate

-40%off ATH $150.00 · Jul 2026

Market data

Printings & price history

1st Edition$90.50

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Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$85.98

Grade 5 est.$72.40

Grade 4 est.$59.73

Grade 3 est.$49.78

Grade 2 est.$40.73

Grade 1 est.$34.39

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

1st Edition · PSA 10 price history$537.50

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-03

1st Edition

PSA417 graded · 166 gem 10

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CGC14 graded · 3 gem 10

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Population data from PriceCharting, updated monthly.

How much is Professor Juniper #55/51 worth?

As of August 14, 2026, Professor Juniper #55/51 from Thunder Knuckle sells for around $90.07 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $649.99, roughly 7.2x the raw price, while a PSA 9 sits near $327.75. 417 copies have been graded to date, and 40% of them came back a 10 — worth knowing before you pay grading fees.

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

Collecting Thunder Knuckle?Full master set guide — every card, chase list, and completion cost→