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John Martinkovic #142 (Football Cards 1957 Topps) — is it worth grading?

Is John Martinkovic #142 worth grading?

Football · Football Cards 1957 Topps · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 John Martinkovic #142 sells for $2,498 against $12.25 raw: a $2,486 spread, 204× the ungraded price. Even a PSA 9 ($754) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$12.25
PSA 10
$2,498
PSA 9
$754
Gem premium
204×
As of
Sep 3, 2026

Break-even by outcome and fee

John Martinkovic #142: 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$2,498+$2,461+$2,436+$2,336
PSA 9$754+$717+$692+$592
PSA 8$686+$648+$623+$523

Net = sale price − $12.25 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?

John Martinkovic #142: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$1,190+$1,128
50%$1,626+$1,564
75%$2,062+$2,000

Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.

Which grader pays the most — and what a 10 takes

All centering standards
John Martinkovic #142: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$3,247best55/4570/30
PSA 10$2,498−$74955/4575/25
CGC 10$1,499−$1,74855/4575/25
SGC 10$1,499−$1,74855/4575/25

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.

John Martinkovic #142 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$2,498$1,499$3,247$1,499
9.5$829
9$754
8$686
7$55.89

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Other 1957 Topps cards worth checking

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Grading John Martinkovic #142 — FAQ

Is John Martinkovic #142 worth grading?

A PSA 10 John Martinkovic #142 sells for $2,498 against $12.25 raw: a $2,486 spread, 204× the ungraded price. Even a PSA 9 ($754) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 John Martinkovic #142 worth compared with raw?

A PSA 10 John Martinkovic #142 (Football Cards 1957 Topps) sells for about $2,498 versus $12.25 for a raw near-mint copy — a 204× premium as of Sep 3, 2026.

Which grading company is best for John Martinkovic #142?

By resale value, BGS 10 leads at $3,247, ahead of PSA 10 at $2,498. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does John Martinkovic #142 need for a BGS 10?

BGS publishes 55/45 front and 70/30 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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