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オムスター (Unnumbered Promos No.139) — is it worth grading?

Is オムスター worth grading?

Pokémon · Unnumbered Promos · No.139 · full price guide →

Grading rarely pays for this card

PSA 10 copies of オムスター sell for $50,395, only $0.00 above the $100,000 raw price — less than an economy-tier grading fee. A PSA 9 ($2,840) sells for less than raw, so anything short of a 10 loses money. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$100,000
PSA 10
$50,395
PSA 9
$2,840
Gem premium
0.5×
As of
Sep 11, 2026

Break-even by outcome and fee

オムスター: 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$50,395−$49,630−$49,655−$49,755
PSA 9$2,840−$97,185−$97,210−$97,310
PSA 8$1,604−$98,421−$98,446−$98,546

Net = sale price − $100,000 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?

オムスター: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$14,729−$85,321
50%$26,618−$73,432
75%$38,506−$61,544

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Which grader pays the most — and what a 10 takes

All centering standards →
オムスター: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$50,395best55/4575/25

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.

オムスター graded prices by company and grade
GradePSACGCBGS
10$50,395——
9$2,840$1,117$985
8.5—$298$750
8$1,604$869$274
7.5—$275$513
7$883$209—
6.5——$156
6$678—$177
5$701——
4$93.88——

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

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

Grading オムスター — FAQ

Is オムスター worth grading?

PSA 10 copies of オムスター sell for $50,395, only $0.00 above the $100,000 raw price — less than an economy-tier grading fee. A PSA 9 ($2,840) sells for less than raw, so anything short of a 10 loses money. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 オムスター worth compared with raw?

A PSA 10 オムスター (Unnumbered Promos No.139) sells for about $50,395 versus $100,000 for a raw near-mint copy — a 0.5× premium as of Sep 11, 2026.

What centering does オムスター 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.

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