Midpoint - Card Centering Tool
Roger Clemens #399 (Baseball Cards 1991 Score) — is it worth grading?

Is Roger Clemens #399 worth grading?

Baseball · Baseball Cards 1991 Score · full price guide →

Strong grading candidate — 47× premium in PSA 10

A PSA 10 Roger Clemens #399 sells for $71.16 against $1.53 raw: a $69.63 spread, 47× the ungraded price. A PSA 9 ($19.83) 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)
$1.53
PSA 10
$71.16
PSA 9
$19.83
Gem premium
47×
As of
Jul 11, 2026

Break-even by outcome and fee

Roger Clemens #399: 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$71.16+$44.63+$19.63−$80.37
PSA 9$19.83−$6.70−$31.70−$132
PSA 8$4.64−$21.89−$46.89−$147

Net = sale price − $1.53 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?

Roger Clemens #399: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$32.66−$18.87
50%$45.49−$6.04
75%$58.33+$6.80

Break-even gem rate at the standard fee: about 62%. 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
Roger Clemens #399: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$93.00best55/4570/30
PSA 10$71.16−$21.8455/4575/25
CGC 10$43.00−$50.0055/4575/25
SGC 10$43.00−$50.0055/4575/25

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.

Roger Clemens #399 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$71.16$43.00$93.00$43.00
9.5$22.00
9$19.83
8$4.64
7$4.00

Run your own numbers

Should I pay this?

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

Other 1991 Score cards worth checking

Full set checklist

Grading Roger Clemens #399 — FAQ

Is Roger Clemens #399 worth grading?

A PSA 10 Roger Clemens #399 sells for $71.16 against $1.53 raw: a $69.63 spread, 47× the ungraded price. A PSA 9 ($19.83) 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 Roger Clemens #399 worth compared with raw?

A PSA 10 Roger Clemens #399 (Baseball Cards 1991 Score) sells for about $71.16 versus $1.53 for a raw near-mint copy — a 47× premium as of Jul 11, 2026.

Which grading company is best for Roger Clemens #399?

By resale value, BGS 10 leads at $93.00, ahead of PSA 10 at $71.16. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Roger Clemens #399 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 Roger Clemens #399 break even?

At a standard ~$50 fee, submitting Roger Clemens #399 breaks even when it gems about 62% of the time (a miss assumed to sell at the PSA 9 price of $19.83).

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