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THE POKEMON CARD TERMINAL

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Undersea Ruins

Undersea Ruins

138/147

REVERSE HOLO

Graded Cap$7.9K

PSA 10$836

Raw NM$15

Aquapolis

Price & Volume History

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Market

Market data via eBay

Last Sale

$22

39 days ago

Price Estimate

$836

MODELED

Buy It Now

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No active listings

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3% off ATH$865 · AUG '26

Price Confidence:Modeled · Set

Sales

Sales

5 sales · Apr 21 2024 – Aug 6 2026

2026-08-06$22eBay

2003 POKEMON AQUAPOLIS #138 UNDERSEA RUINS-REVERSE FOIL PSA 10 #138

2026-08-01$750eBay

2003 POKEMON AQUAPOLIS #138 UNDERSEA RUINS-REVERSE FOIL PSA 10 #138

2026-02-27$330eBay

Undersea Ruins Reverse Foil - PSA 10 LOW POP *8* - Pokemon TCG Aquapolis 138/147 138/147 [eBay]

2025-02-12$90eBay

Undersea Ruins Reverse Foil - PSA 10 LOW POP *8* - Pokemon TCG Aquapolis 138/147 138/147 [eBay]

2024-04-21$70eBay

Pokemon Aquapolis Reverse Foil Undersea Ruins (#138)- GEM MT PSA 10 [eBay]

Grading

Snapshot

Key Metrics · Grading Activity

		Percentile vs.
Metric	Value	Set	Era	All
Value / CopyPSA 10 price divided by how many PSA 10 copies exist. Roughly: how much value rides on each perfect copy.	$104	65	—	—
Gem RateOf every copy PSA has ever graded, the share that came back a perfect 10.	15.1%	47	59	60
Gem Premium (10:9)How much more a PSA 10 costs than a PSA 9 of this card. 2.5× means the perfect copy sells for 2.5 times the near-perfect one.	13×	92	90	83
Vs ExpectedThis card's price vs what you'd expect for a card with its PSA 10 population in its era. 9× means the market pays nine times what rarity alone explains — collector demand. Below 1× means it's cheaper than its scarcity suggests.	1.1×	59	64	66

10

8

PSA

Total: 53

Gem Rate: 15.1%

Cumulative Grading

All Grades

53 total graded · click to change view

▍ PSA

▍ Raw

▍ Other Grades

Related Cards

▍ Variants1

Undersea Ruins