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Tim Duncan #4GX (Basketball Cards 1999 Skybox E-X Generation E-X) — is it worth grading?

Is Tim Duncan #4GX worth grading?

Basketball · Basketball Cards 1999 Skybox E-X Generation E-X · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 Tim Duncan #4GX sells for $150 against $5.72 raw: a $144 spread, 26× the ungraded price. Even a PSA 9 ($31.55) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$5.72
PSA 10
$150
PSA 9
$31.55
Gem premium
26×
As of
Jul 11, 2026

Break-even by outcome and fee

Tim Duncan #4GX: 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$150+$119+$93.93−$6.07
PSA 9$31.55+$0.83−$24.17−$124
PSA 8$15.94−$14.78−$39.78−$140

Net = sale price − $5.72 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?

Tim Duncan #4GX: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$61.08+$5.36
50%$90.60+$34.88
75%$120+$64.41

Break-even gem rate at the standard fee: about 20%. 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
Tim Duncan #4GX: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$195best55/4570/30
PSA 10$150−$45.3555/4575/25
CGC 10$90.00−$10555/4575/25
SGC 10$90.00−$10555/4575/25

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.

Tim Duncan #4GX graded prices by company and grade
GradePSACGCBGSSGCGraded
10$150$90.00$195$90.00
9.5$53.33
9$31.55
8$15.94

Run your own numbers

Should I pay this?

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

Other 1999 Skybox E-X Generation E-X cards worth checking

Full set checklist

Grading Tim Duncan #4GX — FAQ

Is Tim Duncan #4GX worth grading?

A PSA 10 Tim Duncan #4GX sells for $150 against $5.72 raw: a $144 spread, 26× the ungraded price. Even a PSA 9 ($31.55) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 Tim Duncan #4GX worth compared with raw?

A PSA 10 Tim Duncan #4GX (Basketball Cards 1999 Skybox E-X Generation E-X) sells for about $150 versus $5.72 for a raw near-mint copy — a 26× premium as of Jul 11, 2026.

Which grading company is best for Tim Duncan #4GX?

By resale value, BGS 10 leads at $195, ahead of PSA 10 at $150. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Tim Duncan #4GX 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 Tim Duncan #4GX break even?

At a standard ~$50 fee, submitting Tim Duncan #4GX breaks even when it gems about 20% of the time (a miss assumed to sell at the PSA 9 price of $31.55).

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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