Regirock ex

Undone Seal · #55/83 · Holo Rare · 2004JPN

$54.28

Market price ▼ 24.3% (1Y)

Prices as of Aug 14, 2026

Holofoil 1st Edition

156graded pop

44%gem rate

-24%off ATH $71.70 · Jul 2026

Market data

Printings & price history

Holofoil$54.28

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Graded market

Graded values

PSA 10 report →updated 2026-08-13

Grade 6 est.$51.57

Grade 5 est.$43.42

Grade 4 est.$35.82

Grade 3 est.$29.85

Grade 2 est.$24.43

Grade 1 est.$20.63

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

PSA 10 price history$300.00

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

Graded population census · updated 2026-08-03

PSA57 graded · 25 gem 10

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CGC4 graded · 1 gem 10

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Population data from PriceCharting, updated monthly.

How much is Regirock ex #55/83 worth?

As of August 14, 2026, Regirock ex #55/83 from Undone Seal sells for around $54.28 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $300.00, roughly 5.5x the raw price, while a PSA 9 sits near $51.94. 85 copies have been graded to date, and 48% 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 Regirock ex has moved over time.

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