Midpoint - Card Centering Tool
Bo Jackson #300 (Baseball Cards 1990 Topps) — is it worth grading?

Is Bo Jackson #300 worth grading?

Baseball · Baseball Cards 1990 Topps · full price guide →

Strong grading candidate — 45× premium in PSA 10

A PSA 10 Bo Jackson #300 sells for $64.50 against $1.44 raw: a $63.06 spread, 45× the ungraded price. A PSA 9 ($17.63) 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)
$1.44
PSA 10
$64.50
PSA 9
$17.63
Gem premium
45×
As of
Jul 11, 2026

Break-even by outcome and fee

Bo Jackson #300: 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$64.50+$38.06+$13.06−$86.94
PSA 9$17.63−$8.81−$33.81−$134
PSA 8$11.11−$15.33−$40.33−$140

Net = sale price − $1.44 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 Jackson #300: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$29.35−$22.09
50%$41.06−$10.38
75%$52.78+$1.34

Break-even gem rate at the standard fee: about 72%. 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 Jackson #300: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$84.00best55/4570/30
SGC 10$70.99−$13.0155/4575/25
PSA 10$64.50−$19.5055/4575/25
CGC 10$39.00−$45.0055/4575/25

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 Jackson #300 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$64.50$39.00$84.00$70.99
9.5$19.00
9$17.63
8$11.11
7$10.50

Run your own numbers

Should I pay this?

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

Other 1990 Topps cards worth checking

Full set checklist

Grading Bo Jackson #300 — FAQ

Is Bo Jackson #300 worth grading?

A PSA 10 Bo Jackson #300 sells for $64.50 against $1.44 raw: a $63.06 spread, 45× the ungraded price. A PSA 9 ($17.63) 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 Jackson #300 worth compared with raw?

A PSA 10 Bo Jackson #300 (Baseball Cards 1990 Topps) sells for about $64.50 versus $1.44 for a raw near-mint copy — a 45× premium as of Jul 11, 2026.

Which grading company is best for Bo Jackson #300?

By resale value, BGS 10 leads at $84.00, ahead of SGC 10 at $70.99. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Bo Jackson #300 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 Jackson #300 break even?

At a standard ~$50 fee, submitting Bo Jackson #300 breaks even when it gems about 72% of the time (a miss assumed to sell at the PSA 9 price of $17.63).

Is your baseball 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