Midpoint - Card Centering Tool

Is Mark McGwire #46 worth grading?

Baseball · Baseball Cards 1987 Donruss Highlights · full price guide →

Strong grading candidate — 30× premium in PSA 10

A PSA 10 Mark McGwire #46 sells for $86.56 against $2.89 raw: a $83.67 spread, 30× the ungraded price. A PSA 9 ($16.99) 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)
$2.89
PSA 10
$86.56
PSA 9
$16.99
Gem premium
30×
As of
Jul 11, 2026

Break-even by outcome and fee

Mark McGwire #46: 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$86.56+$58.67+$33.67−$66.33
PSA 9$16.99−$10.90−$35.90−$136
PSA 8$10.03−$17.86−$42.86−$143

Net = sale price − $2.89 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?

Mark McGwire #46: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$34.38−$18.51
50%$51.77−$1.12
75%$69.17+$16.28

Break-even gem rate at the standard fee: about 52%. 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
Mark McGwire #46: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$113best55/4570/30
PSA 10$86.56−$26.4455/4575/25
CGC 10$52.00−$61.0055/4575/25
SGC 10$52.00−$61.0055/4575/25

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.

Mark McGwire #46 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$86.56$52.00$113$52.00
9.5$29.99
9$16.99
8$10.03
7$7.42

Run your own numbers

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Other 1987 Donruss Highlights cards worth checking

Full set checklist

Grading Mark McGwire #46 — FAQ

Is Mark McGwire #46 worth grading?

A PSA 10 Mark McGwire #46 sells for $86.56 against $2.89 raw: a $83.67 spread, 30× the ungraded price. A PSA 9 ($16.99) 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 Mark McGwire #46 worth compared with raw?

A PSA 10 Mark McGwire #46 (Baseball Cards 1987 Donruss Highlights) sells for about $86.56 versus $2.89 for a raw near-mint copy — a 30× premium as of Jul 11, 2026.

Which grading company is best for Mark McGwire #46?

By resale value, BGS 10 leads at $113, ahead of PSA 10 at $86.56. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Mark McGwire #46 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.

What gem rate makes grading Mark McGwire #46 break even?

At a standard ~$50 fee, submitting Mark McGwire #46 breaks even when it gems about 52% of the time (a miss assumed to sell at the PSA 9 price of $16.99).

Is your baseball card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

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