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A.L. All-Stars: Don Mattingly / Mark McGwire #638 (Baseball Cards 1990 Fleer) — is it worth grading?

Is A.L. All-Stars: Don Mattingly / Mark McGwire #638 worth grading?

Baseball · Baseball Cards 1990 Fleer · full price guide →

Grading rarely pays for this card

PSA 10 copies of A.L. All-Stars: Don Mattingly / Mark McGwire #638 sell for $24.99, only $23.31 above the $1.68 raw price — less than an economy-tier grading fee. A PSA 9 ($12.15) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$1.68
PSA 10
$24.99
PSA 9
$12.15
Gem premium
15×
As of
Jul 11, 2026

Break-even by outcome and fee

A.L. All-Stars: Don Mattingly / Mark McGwire #638: 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$24.99−$1.69−$26.69−$127
PSA 9$12.15−$14.53−$39.53−$140
PSA 8$4.99−$21.69−$46.69−$147

Net = sale price − $1.68 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?

A.L. All-Stars: Don Mattingly / Mark McGwire #638: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$15.36−$36.32
50%$18.57−$33.11
75%$21.78−$29.90

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
A.L. All-Stars: Don Mattingly / Mark McGwire #638: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$32.00best55/4570/30
PSA 10$24.99−$7.0155/4575/25
CGC 10$15.00−$17.0055/4575/25
SGC 10$15.00−$17.0055/4575/25

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.

A.L. All-Stars: Don Mattingly / Mark McGwire #638 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$24.99$15.00$32.00$15.00
9.5$24.00
9$12.15
8$4.99

Run your own numbers

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Grading A.L. All-Stars: Don Mattingly / Mark McGwire #638 — FAQ

Is A.L. All-Stars: Don Mattingly / Mark McGwire #638 worth grading?

PSA 10 copies of A.L. All-Stars: Don Mattingly / Mark McGwire #638 sell for $24.99, only $23.31 above the $1.68 raw price — less than an economy-tier grading fee. A PSA 9 ($12.15) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 A.L. All-Stars: Don Mattingly / Mark McGwire #638 worth compared with raw?

A PSA 10 A.L. All-Stars: Don Mattingly / Mark McGwire #638 (Baseball Cards 1990 Fleer) sells for about $24.99 versus $1.68 for a raw near-mint copy — a 15× premium as of Jul 11, 2026.

Which grading company is best for A.L. All-Stars: Don Mattingly / Mark McGwire #638?

By resale value, BGS 10 leads at $32.00, ahead of PSA 10 at $24.99. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does A.L. All-Stars: Don Mattingly / Mark McGwire #638 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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