Professor Juniper
Thunder Knuckle · #55/51 · Super Rare · 2012JPN
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-21
Population data from PriceCharting, updated monthly.
How much is Professor Juniper #55/51 worth?
As of November 5, 2026, Professor Juniper #55/51 from Thunder Knuckle sells for around $90.46 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 $222.89. 424 copies have been graded to date, and 39% 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.
