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Is Mark McGwire [Refractor] #M3 worth grading?

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

Strong grading candidate — 11× premium in PSA 10

A PSA 10 Mark McGwire [Refractor] #M3 sells for $97.68 against $8.62 raw: a $89.06 spread, 11× the ungraded price. A PSA 9 ($33.00) 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)
$8.62
PSA 10
$97.68
PSA 9
$33.00
Gem premium
11×
As of
Sep 4, 2026

Break-even by outcome and fee

Mark McGwire [Refractor] #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$97.68+$64.06+$39.06−$60.94
PSA 9$33.00−$0.62−$25.62−$126
PSA 8$21.59−$12.03−$37.03−$137

Net = sale price − $8.62 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 [Refractor] #M3: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$49.17−$9.45
50%$65.34+$6.72
75%$81.51+$22.89

Break-even gem rate at the standard fee: about 40%. 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 [Refractor] #M3: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$127best55/4570/30
PSA 10$97.68−$29.3255/4575/25
CGC 10$59.00−$68.0055/4575/25
SGC 10$59.00−$68.0055/4575/25

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 [Refractor] #M3 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$97.68$59.00$127$59.00—
9.5————$37.00
9————$33.00
8————$21.59

Swipe the table for the other grading companies →

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Other 1999 Topps All Mystery Finest cards worth checking

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Grading Mark McGwire [Refractor] #M3 — FAQ

Is Mark McGwire [Refractor] #M3 worth grading?

A PSA 10 Mark McGwire [Refractor] #M3 sells for $97.68 against $8.62 raw: a $89.06 spread, 11× the ungraded price. A PSA 9 ($33.00) 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 [Refractor] #M3 worth compared with raw?

A PSA 10 Mark McGwire [Refractor] #M3 (Baseball Cards 1999 Topps All Mystery Finest) sells for about $97.68 versus $8.62 for a raw near-mint copy — a 11× premium as of Sep 4, 2026.

Which grading company is best for Mark McGwire [Refractor] #M3?

By resale value, BGS 10 leads at $127, ahead of PSA 10 at $97.68. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Mark McGwire [Refractor] #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.

What gem rate makes grading Mark McGwire [Refractor] #M3 break even?

At a standard ~$50 fee, submitting Mark McGwire [Refractor] #M3 breaks even when it gems about 40% of the time (a miss assumed to sell at the PSA 9 price of $33.00).

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