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Regirock ex [1st Edition] #55 Pokémon card from Japanese Undone Seal
Japanese

Regirock ex [1st Edition] 55/83

Undone Seal· Language: Japanese

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Regirock ex [1st Edition] #55 from Japanese Undone Seal currently trades at $37.76 raw, with PSA 10 copies reaching $1039.84: a 27.5x grade premium. Price is up 0.5% in the last 30 days, though the 90-day trend tells a different story at -2.4%. Worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$37.76
PSA 7
$148.68
PSA 8
$148.68
PSA 9
$148.68
PSA 10
$1,039.84
ACE 10
—
BGS 10 Black
$6,760.00
CGC 10 Pristine
$749.00
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Raw Price Trend
7d
+0.0%
30d
+0.5%
90d
-2.4%
180d
—
1y
-47.3%
2y
—
5y
—

Quick price facts

Regirock ex [1st Edition] 55/83 from Undone Seal has a current raw market value of $37.76.

Current raw value
$37.76
PSA 9 value
$149
PSA 10 value
$1,040
PSA 10 premium vs raw
27.5× raw
View all cards from Undone Seal →
Collector Intel
27.5x
Raw → PSA 10
High-risk grade
3.9x
Raw → PSA 9
Grade multiplier
+0.5%
30d Price Move
Rising
Steady
Price Stability
0.0% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 28x the raw price. The expected value accounts for the realistic probability.
$38
Raw Price
$1,040
PSA 10 Value
+$1,002
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$1493.9x raw
PSA 10$1,04027.5x raw

Frequently asked questions

How much is Regirock ex [1st Edition] #55 from Japanese Undone Seal worth?+
Regirock ex [1st Edition] #55 from Japanese Undone Seal currently reads Raw: $37.76, PSA 9: $149, PSA 10: $1.0k in our aggregated recent-sales price guide. The guide is rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces, never asking prices.
Is Regirock ex [1st Edition] #55 worth grading?+
The PSA 10 price of $1.0k is 27.5× the raw price of $37.76. Grading fees vary by card value and PSA service tier — see PSA's current fee page before submitting.
Where do PokePrices Regirock ex [1st Edition] #55 prices come from?+
Raw, PSA 9 and PSA 10 figures come from our aggregated recent-sales price guide, rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces. The displayed values are guide numbers, not individual listings. PSA population data is sourced directly from PSA's public population reports. Asking prices are never used; only confirmed sales activity feeds the guide.