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Is Calvin Hill #28 worth grading?

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Worth grading — even a PSA 9 beats raw

A PSA 10 Calvin Hill #28 sells for $654 against $4.71 raw: a $649 spread, 139× the ungraded price. Even a PSA 9 ($97.32) 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)
$4.71
PSA 10
$654
PSA 9
$97.32
Gem premium
139×
As of
Sep 4, 2026

Break-even by outcome and fee

Calvin Hill #28: 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$654+$624+$599+$499
PSA 9$97.32+$67.61+$42.61−$57.39
PSA 8$73.53+$43.82+$18.82−$81.18

Net = sale price − $4.71 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?

Calvin Hill #28: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$236+$182
50%$376+$321
75%$515+$460

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
Calvin Hill #28: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$850best55/4570/30
PSA 10$654−$19655/4575/25
CGC 10$392−$45855/4575/25
SGC 10$392−$45855/4575/25

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.

Calvin Hill #28 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$654$392$850$392
9.5$189
9$97.32
8$73.53
7$12.59

Swipe the table for the other grading companies →

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Grading Calvin Hill #28 — FAQ

Is Calvin Hill #28 worth grading?

A PSA 10 Calvin Hill #28 sells for $654 against $4.71 raw: a $649 spread, 139× the ungraded price. Even a PSA 9 ($97.32) 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 Calvin Hill #28 worth compared with raw?

A PSA 10 Calvin Hill #28 (Football Cards 1970 Topps Super) sells for about $654 versus $4.71 for a raw near-mint copy — a 139× premium as of Sep 4, 2026.

Which grading company is best for Calvin Hill #28?

By resale value, BGS 10 leads at $850, ahead of PSA 10 at $654. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Calvin Hill #28 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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