Midpoint - Card Centering Tool
Matt Guokas #28 (Basketball Cards 1975 Topps) — is it worth grading?

Is Matt Guokas #28 worth grading?

Basketball · Basketball Cards 1975 Topps · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 Matt Guokas #28 sells for $231 against $1.95 raw: a $229 spread, 118× the ungraded price. Even a PSA 9 ($51.00) 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)
$1.95
PSA 10
$231
PSA 9
$51.00
Gem premium
118×
As of
Jul 11, 2026

Break-even by outcome and fee

Matt Guokas #28: 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$231+$204+$179+$78.97
PSA 9$51.00+$24.05−$0.95−$101
PSA 8$19.99−$6.96−$31.96−$132

Net = sale price − $1.95 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?

Matt Guokas #28: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$95.98+$44.03
50%$141+$89.01
75%$186+$134

Break-even gem rate at the standard fee: about 1%. 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
Matt Guokas #28: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$300best55/4570/30
PSA 10$231−$69.0855/4575/25
CGC 10$139−$16155/4575/25
SGC 10$139−$16155/4575/25

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.

Matt Guokas #28 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$231$139$300$139
9.5$74.21
9$51.00
8$19.99

Run your own numbers

Should I pay this?

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

Other 1975 Topps cards worth checking

Full set checklist

Grading Matt Guokas #28 — FAQ

Is Matt Guokas #28 worth grading?

A PSA 10 Matt Guokas #28 sells for $231 against $1.95 raw: a $229 spread, 118× the ungraded price. Even a PSA 9 ($51.00) 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 Matt Guokas #28 worth compared with raw?

A PSA 10 Matt Guokas #28 (Basketball Cards 1975 Topps) sells for about $231 versus $1.95 for a raw near-mint copy — a 118× premium as of Jul 11, 2026.

Which grading company is best for Matt Guokas #28?

By resale value, BGS 10 leads at $300, ahead of PSA 10 at $231. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Matt Guokas #28 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 Matt Guokas #28 break even?

At a standard ~$50 fee, submitting Matt Guokas #28 breaks even when it gems about 1% of the time (a miss assumed to sell at the PSA 9 price of $51.00).

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