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Undersea Ruins (Aquapolis 138/147) — is it worth grading?

Is Undersea Ruins worth grading?

Pokémon · Aquapolis · 138/147 · full price guide →

Strong grading candidate — 27× premium in PSA 10

A PSA 10 Undersea Ruins sells for $400 against $14.99 raw: a $385 spread, 27× the ungraded price. A PSA 9 ($25.89) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$14.99
PSA 10
$400
PSA 9
$25.89
Gem premium
27×
As of
Aug 10, 2026

Break-even by outcome and fee

Undersea Ruins: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — PSA 10$400+$360+$335+$235
PSA 9$25.89−$14.10−$39.10−$139
PSA 8$13.00−$26.99−$51.99−$152

Net = sale price − $14.99 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Expected value — how often does it need to gem?

Undersea Ruins: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$119+$54.43
50%$213+$148
75%$306+$241

Break-even gem rate at the standard fee: about 10%. Centering is the usual reason a clean copy misses — measure it before you decide.

Which grader pays the most — and what a 10 takes

All centering standards →
Undersea Ruins: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$747best55/4575/25

Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.

Undersea Ruins graded prices by company and grade
GradePSACGC
10$747—
9.5—$4.25
9$40.23$39.99
8.5—$13.00
8$13.00—
7.5—$20.00
7$10.01—
6$7.00—
5$2.00—

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

Other Aquapolis cards worth checking

Full set checklist →

Grading Undersea Ruins — FAQ

Is Undersea Ruins worth grading?

A PSA 10 Undersea Ruins sells for $400 against $14.99 raw: a $385 spread, 27× the ungraded price. A PSA 9 ($25.89) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 Undersea Ruins worth compared with raw?

A PSA 10 Undersea Ruins (Aquapolis 138/147) sells for about $400 versus $14.99 for a raw near-mint copy — a 27× premium as of Aug 10, 2026.

What centering does Undersea Ruins need for a PSA 10?

PSA publishes 55/45 front and 75/25 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.

What gem rate makes grading Undersea Ruins break even?

At a standard ~$50 fee, submitting Undersea Ruins breaks even when it gems about 10% of the time (a miss assumed to sell at the PSA 9 price of $25.89).

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