Midpoint - Card Centering Tool
Stephon Marbury [Refractor] #6 (Basketball Cards 2003 Topps Chrome) — is it worth grading?

Is Stephon Marbury [Refractor] #6 worth grading?

Basketball · Basketball Cards 2003 Topps Chrome · full price guide →

Strong grading candidate — 24× premium in PSA 10

A PSA 10 Stephon Marbury [Refractor] #6 sells for $101 against $4.18 raw: a $96.82 spread, 24× the ungraded price. A PSA 9 ($22.24) 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)
$4.18
PSA 10
$101
PSA 9
$22.24
Gem premium
24×
As of
Jul 11, 2026

Break-even by outcome and fee

Stephon Marbury [Refractor] #6: 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$101+$71.82+$46.82−$53.18
PSA 9$22.24−$6.94−$31.94−$132
PSA 8$11.63−$17.55−$42.55−$143

Net = sale price − $4.18 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?

Stephon Marbury [Refractor] #6: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$41.93−$12.25
50%$61.62+$7.44
75%$81.31+$27.13

Break-even gem rate at the standard fee: about 41%. 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
Stephon Marbury [Refractor] #6: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$131best55/4570/30
PSA 10$101−$30.0055/4575/25
CGC 10$61.00−$70.0055/4575/25
SGC 10$61.00−$70.0055/4575/25

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.

Stephon Marbury [Refractor] #6 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$101$61.00$131$61.00
9.5$24.00
9$22.24
8$11.63
7$9.00

Run your own numbers

Should I pay this?

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

Other 2003 Topps Chrome cards worth checking

Full set checklist

Grading Stephon Marbury [Refractor] #6 — FAQ

Is Stephon Marbury [Refractor] #6 worth grading?

A PSA 10 Stephon Marbury [Refractor] #6 sells for $101 against $4.18 raw: a $96.82 spread, 24× the ungraded price. A PSA 9 ($22.24) 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 Stephon Marbury [Refractor] #6 worth compared with raw?

A PSA 10 Stephon Marbury [Refractor] #6 (Basketball Cards 2003 Topps Chrome) sells for about $101 versus $4.18 for a raw near-mint copy — a 24× premium as of Jul 11, 2026.

Which grading company is best for Stephon Marbury [Refractor] #6?

By resale value, BGS 10 leads at $131, ahead of PSA 10 at $101. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Stephon Marbury [Refractor] #6 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 Stephon Marbury [Refractor] #6 break even?

At a standard ~$50 fee, submitting Stephon Marbury [Refractor] #6 breaks even when it gems about 41% of the time (a miss assumed to sell at the PSA 9 price of $22.24).

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.

Check my card free