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Jack Sikma #39 (Basketball Cards 1981 Topps) — is it worth grading?

Is Jack Sikma #39 worth grading?

Basketball · Basketball Cards 1981 Topps · full price guide →

Strong grading candidate — 92× premium in PSA 10

A PSA 10 Jack Sikma #39 sells for $115 against $1.25 raw: a $113 spread, 92× the ungraded price. A PSA 9 ($21.50) 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)
$1.25
PSA 10
$115
PSA 9
$21.50
Gem premium
92×
As of
Jul 11, 2026

Break-even by outcome and fee

Jack Sikma #39: 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$115+$88.25+$63.25−$36.75
PSA 9$21.50−$4.75−$29.75−$130
PSA 8$10.00−$16.25−$41.25−$141

Net = sale price − $1.25 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?

Jack Sikma #39: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$44.75−$6.50
50%$68.00+$16.75
75%$91.25+$40.00

Break-even gem rate at the standard fee: about 32%. 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
Jack Sikma #39: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$149best55/4570/30
PSA 10$115−$34.5055/4575/25
CGC 10$69.00−$80.0055/4575/25
SGC 10$69.00−$80.0055/4575/25

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.

Jack Sikma #39 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$115$69.00$149$69.00
9.5$24.00
9$21.50
8$10.00
7$3.01

Run your own numbers

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

Other 1981 Topps cards worth checking

Full set checklist

Grading Jack Sikma #39 — FAQ

Is Jack Sikma #39 worth grading?

A PSA 10 Jack Sikma #39 sells for $115 against $1.25 raw: a $113 spread, 92× the ungraded price. A PSA 9 ($21.50) 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 Jack Sikma #39 worth compared with raw?

A PSA 10 Jack Sikma #39 (Basketball Cards 1981 Topps) sells for about $115 versus $1.25 for a raw near-mint copy — a 92× premium as of Jul 11, 2026.

Which grading company is best for Jack Sikma #39?

By resale value, BGS 10 leads at $149, ahead of PSA 10 at $115. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Jack Sikma #39 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 Jack Sikma #39 break even?

At a standard ~$50 fee, submitting Jack Sikma #39 breaks even when it gems about 32% of the time (a miss assumed to sell at the PSA 9 price of $21.50).

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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