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Shaquille O'Neal #21 (Basketball Cards 1998 Skybox Premium) — is it worth grading?

Is Shaquille O'Neal #21 worth grading?

Basketball · Basketball Cards 1998 Skybox Premium · full price guide →

Strong grading candidate — 54× premium in PSA 10

A PSA 10 Shaquille O'Neal #21 sells for $97.96 against $1.83 raw: a $96.13 spread, 54× the ungraded price. A PSA 9 ($11.77) 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)
$1.83
PSA 10
$97.96
PSA 9
$11.77
Gem premium
54×
As of
Jul 11, 2026

Break-even by outcome and fee

Shaquille O'Neal #21: 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$97.96+$71.13+$46.13−$53.87
PSA 9$11.77−$15.06−$40.06−$140
PSA 8$9.29−$17.54−$42.54−$143

Net = sale price − $1.83 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?

Shaquille O'Neal #21: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$33.32−$18.51
50%$54.86+$3.03
75%$76.41+$24.58

Break-even gem rate at the standard fee: about 46%. 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
Shaquille O'Neal #21: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$127best55/4570/30
PSA 10$97.96−$29.0455/4575/25
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.

Shaquille O'Neal #21 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$97.96$59.00$127$59.00
9.5$31.17
9$11.77
8$9.29

Run your own numbers

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Grading Shaquille O'Neal #21 — FAQ

Is Shaquille O'Neal #21 worth grading?

A PSA 10 Shaquille O'Neal #21 sells for $97.96 against $1.83 raw: a $96.13 spread, 54× the ungraded price. A PSA 9 ($11.77) 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 Shaquille O'Neal #21 worth compared with raw?

A PSA 10 Shaquille O'Neal #21 (Basketball Cards 1998 Skybox Premium) sells for about $97.96 versus $1.83 for a raw near-mint copy — a 54× premium as of Jul 11, 2026.

Which grading company is best for Shaquille O'Neal #21?

By resale value, BGS 10 leads at $127, ahead of PSA 10 at $97.96. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Shaquille O'Neal #21 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 Shaquille O'Neal #21 break even?

At a standard ~$50 fee, submitting Shaquille O'Neal #21 breaks even when it gems about 46% of the time (a miss assumed to sell at the PSA 9 price of $11.77).

Is your basketball 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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