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Mark McGwire #M3 (Baseball Cards 1999 Topps All Mystery Finest) — is it worth grading?

Is Mark McGwire #M3 worth grading?

Baseball · Baseball Cards 1999 Topps All Mystery Finest · full price guide →

Grading rarely pays for this card

PSA 10 copies of Mark McGwire #M3 sell for $19.34, only $16.59 above the $2.75 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$2.75
PSA 10
$19.34
Gem premium
7.0×
As of
Jul 11, 2026

Break-even by outcome and fee

Mark McGwire #M3: 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$19.34−$8.41−$33.41−$133
PSA 8$10.53−$17.22−$42.22−$142

Net = sale price − $2.75 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Which grader pays the most — and what a 10 takes

All centering standards
Mark McGwire #M3: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$25.00best55/4570/30
PSA 10$19.34−$5.6655/4575/25
CGC 10$12.00−$13.0055/4575/25
SGC 10$12.00−$13.0055/4575/25

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 #M3 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$19.34$12.00$25.00$12.00
8$10.53

Run your own numbers

Should I pay this?

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

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Grading Mark McGwire #M3 — FAQ

Is Mark McGwire #M3 worth grading?

PSA 10 copies of Mark McGwire #M3 sell for $19.34, only $16.59 above the $2.75 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 Mark McGwire #M3 worth compared with raw?

A PSA 10 Mark McGwire #M3 (Baseball Cards 1999 Topps All Mystery Finest) sells for about $19.34 versus $2.75 for a raw near-mint copy — a 7.0× premium as of Jul 11, 2026.

Which grading company is best for Mark McGwire #M3?

By resale value, BGS 10 leads at $25.00, ahead of PSA 10 at $19.34. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Mark McGwire #M3 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.

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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