MidpointCard Centering Grading Portfolio App

Is Bo Kimble #359 worth grading?

Basketball · Basketball Cards 1990 Skybox · full price guide →

Strong grading candidate — 31× premium in PSA 10

A PSA 10 Bo Kimble #359 sells for $61.99 against $1.99 raw: a $60.00 spread, 31× the ungraded price. A PSA 9 ($15.47) 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)
$1.99
PSA 10
$61.99
PSA 9
$15.47
Gem premium
31×
As of
Sep 4, 2026

Break-even by outcome and fee

Bo Kimble #359: 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$61.99+$35.00+$10.00−$90.00
PSA 9$15.47−$11.52−$36.52−$137
PSA 8$5.75−$21.24−$46.24−$146

Net = sale price − $1.99 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?

Bo Kimble #359: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$27.10−$24.89
50%$38.73−$13.26
75%$50.36−$1.63

Break-even gem rate at the standard fee: about 79%. 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 →
Bo Kimble #359: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$81.00best55/4570/30
PSA 10$61.99−$19.0155/4575/25
CGC 10$37.00−$44.0055/4575/25
SGC 10$37.00−$44.0055/4575/25

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.

Bo Kimble #359 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$61.99$37.00$81.00$37.00—
9.5————$17.00
9————$15.47
8————$5.75

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

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

Other 1990 Skybox cards worth checking

Full set checklist →

Grading Bo Kimble #359 — FAQ

Is Bo Kimble #359 worth grading?

A PSA 10 Bo Kimble #359 sells for $61.99 against $1.99 raw: a $60.00 spread, 31× the ungraded price. A PSA 9 ($15.47) 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 Bo Kimble #359 worth compared with raw?

A PSA 10 Bo Kimble #359 (Basketball Cards 1990 Skybox) sells for about $61.99 versus $1.99 for a raw near-mint copy — a 31× premium as of Sep 4, 2026.

Which grading company is best for Bo Kimble #359?

By resale value, BGS 10 leads at $81.00, ahead of PSA 10 at $61.99. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Bo Kimble #359 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 Bo Kimble #359 break even?

At a standard ~$50 fee, submitting Bo Kimble #359 breaks even when it gems about 79% of the time (a miss assumed to sell at the PSA 9 price of $15.47).

Best on iPhone & Android

Check your basketball card in the Midpoint app

Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.

Download on the App StoreGet it on Google Play

Or try it on the web →

Best on iPhone & Android

The full Midpoint experience is in the app

Scan with your camera, get AI grades with corner and edge close-ups, issue Grade Certificates, set price alerts, track your portfolio and talk to other collectors — everything here, plus the parts a browser can't do. Free to start.

Download on the App StoreGet it on Google Play