Midpoint - Card Centering Tool
Chuck Knoblauch #548 (Baseball Cards 1991 Stadium Club) — is it worth grading?

Is Chuck Knoblauch #548 worth grading?

Baseball · Baseball Cards 1991 Stadium Club · full price guide →

Strong grading candidate — 49× premium in PSA 10

A PSA 10 Chuck Knoblauch #548 sells for $57.50 against $1.17 raw: a $56.33 spread, 49× the ungraded price. A PSA 9 ($17.49) 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)
$1.17
PSA 10
$57.50
PSA 9
$17.49
Gem premium
49×
As of
Jul 11, 2026

Break-even by outcome and fee

Chuck Knoblauch #548: 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$57.50+$31.33+$6.33−$93.67
PSA 9$17.49−$8.68−$33.68−$134
PSA 8$5.99−$20.18−$45.18−$145

Net = sale price − $1.17 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?

Chuck Knoblauch #548: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$27.49−$23.68
50%$37.49−$13.68
75%$47.50−$3.67

Break-even gem rate at the standard fee: about 84%. 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
Chuck Knoblauch #548: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$75.00best55/4570/30
PSA 10$57.50−$17.5055/4575/25
CGC 10$35.00−$40.0055/4575/25
SGC 10$35.00−$40.0055/4575/25

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.

Chuck Knoblauch #548 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$57.50$35.00$75.00$35.00
9.5$32.99
9$17.49
8$5.99

Run your own numbers

Should I pay this?

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

Other 1991 Stadium Club cards worth checking

Full set checklist

Grading Chuck Knoblauch #548 — FAQ

Is Chuck Knoblauch #548 worth grading?

A PSA 10 Chuck Knoblauch #548 sells for $57.50 against $1.17 raw: a $56.33 spread, 49× the ungraded price. A PSA 9 ($17.49) 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 Chuck Knoblauch #548 worth compared with raw?

A PSA 10 Chuck Knoblauch #548 (Baseball Cards 1991 Stadium Club) sells for about $57.50 versus $1.17 for a raw near-mint copy — a 49× premium as of Jul 11, 2026.

Which grading company is best for Chuck Knoblauch #548?

By resale value, BGS 10 leads at $75.00, ahead of PSA 10 at $57.50. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Chuck Knoblauch #548 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 Chuck Knoblauch #548 break even?

At a standard ~$50 fee, submitting Chuck Knoblauch #548 breaks even when it gems about 84% of the time (a miss assumed to sell at the PSA 9 price of $17.49).

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