Regirock ex #55 — Pokémon Japanese Undone Seal Card Value

Pokémon Japanese Undone Seal

What the Regirock ex #55 card from Pokémon Japanese Undone Seal is worth — ungraded and graded (PSA 10).

Regirock ex #55 value — Ungraded $57 · Grade 9 $52 · PSA 10 $300. Prices updated July 2026.

Set · Pokémon Japanese Undone SealGame · Pokémon
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Value by grade
$57
Ungraded
+-9%
$52
Grade 9
5.3×
$300
PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 5.3× raw.

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Which version do you have?

For the cheapest way to own it, buy the Standard Regirock ex #55 for $57. The 1st Edition version, priced at $72, offers a premium due to its earlier release, indicating higher scarcity. If budget is the main concern, stick to Standard. However, collectors prioritizing completeness or investment should pay the extra $15 for the 1st Edition.

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Item details

Brand
Pokémon
Set
Pokémon Japanese Undone Seal
Game
Pokémon

Regirock ex #55 (Pokémon Japanese Undone Seal) card value

An ungraded Regirock ex #55 from Pokémon Japanese Undone Seal averages around $57. A Grade 9 copy runs about $52, and a PSA 10 gem-mint commands $300.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

Shop this on eBay ↗
ConditionValueBased on
Ungraded$57eBay sold comps
Grade 9$52eBay sold comps
PSA 10$300eBay sold comps

Frequently asked questions

What is the starting resale value for ungraded Regirock ex #55?
The ungraded version of Regirock ex #55 is currently valued at $57.
How much is a PSA 10 graded copy worth?
A PSA 10 graded copy of Regirock ex #55 has a high market value of $300.
Is the Grade 9 condition a good investment point?
A Grade 9 copy is listed at $52, offering a strong balance between condition and price.

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