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Is John Marks #50 worth grading?

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Worth grading only if it gems

A PSA 10 John Marks #50 brings $39.19 versus $2.30 raw — a $36.89 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($13.42) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$2.30
PSA 10
$39.19
PSA 9
$13.42
Gem premium
17×
As of
Sep 3, 2026

Break-even by outcome and fee

John Marks #50: 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$39.19+$11.89−$13.11−$113
PSA 9$13.42−$13.88−$38.88−$139
PSA 8$7.02−$20.28−$45.28−$145

Net = sale price − $2.30 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 Marks #50: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$19.86−$32.44
50%$26.30−$26.00
75%$32.75−$19.55

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
John Marks #50: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$51.00best55/4570/30
PSA 10$39.19−$11.8155/4575/25
CGC 10$24.00−$27.0055/4575/25
SGC 10$24.00−$27.0055/4575/25

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 Marks #50 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$39.19$24.00$51.00$24.00
9.5$26.39
9$13.42
8$7.02

Swipe the table for the other grading companies →

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Grading John Marks #50 — FAQ

Is John Marks #50 worth grading?

A PSA 10 John Marks #50 brings $39.19 versus $2.30 raw — a $36.89 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($13.42) only about breaks even after fees, so the case rests on gemming.

How much is a PSA 10 John Marks #50 worth compared with raw?

A PSA 10 John Marks #50 (Hockey Cards 2025 Upper Deck Chicago Blackhawks Centennial) sells for about $39.19 versus $2.30 for a raw near-mint copy — a 17× premium as of Sep 3, 2026.

Which grading company is best for John Marks #50?

By resale value, BGS 10 leads at $51.00, ahead of PSA 10 at $39.19. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does John Marks #50 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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