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Mark McGwire [Foil] #620 (Baseball Cards 1992 Bowman) — is it worth grading?

Is Mark McGwire [Foil] #620 worth grading?

Baseball · Baseball Cards 1992 Bowman · full price guide →

Strong grading candidate — 37× premium in PSA 10

A PSA 10 Mark McGwire [Foil] #620 sells for $66.81 against $1.80 raw: a $65.01 spread, 37× the ungraded price. A PSA 9 ($9.16) 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)
$1.80
PSA 10
$66.81
PSA 9
$9.16
Gem premium
37×
As of
Jul 11, 2026

Break-even by outcome and fee

Mark McGwire [Foil] #620: 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$66.81+$40.01+$15.01−$84.99
PSA 9$9.16−$17.64−$42.64−$143
PSA 8$7.79−$19.01−$44.01−$144

Net = sale price − $1.80 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 [Foil] #620: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$23.57−$28.23
50%$37.98−$13.81
75%$52.40+$0.60

Break-even gem rate at the standard fee: about 74%. 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 [Foil] #620: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$87.00best55/4570/30
PSA 10$66.81−$20.1955/4575/25
CGC 10$40.00−$47.0055/4575/25
SGC 10$40.00−$47.0055/4575/25

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 [Foil] #620 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$66.81$40.00$87.00$40.00
9.5$38.61
9$9.16
8$7.79
7$1.50

Run your own numbers

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Other 1992 Bowman cards worth checking

Full set checklist

Grading Mark McGwire [Foil] #620 — FAQ

Is Mark McGwire [Foil] #620 worth grading?

A PSA 10 Mark McGwire [Foil] #620 sells for $66.81 against $1.80 raw: a $65.01 spread, 37× the ungraded price. A PSA 9 ($9.16) 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 [Foil] #620 worth compared with raw?

A PSA 10 Mark McGwire [Foil] #620 (Baseball Cards 1992 Bowman) sells for about $66.81 versus $1.80 for a raw near-mint copy — a 37× premium as of Jul 11, 2026.

Which grading company is best for Mark McGwire [Foil] #620?

By resale value, BGS 10 leads at $87.00, ahead of PSA 10 at $66.81. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Mark McGwire [Foil] #620 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 [Foil] #620 break even?

At a standard ~$50 fee, submitting Mark McGwire [Foil] #620 breaks even when it gems about 74% of the time (a miss assumed to sell at the PSA 9 price of $9.16).

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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