MidpointCard Centering Grading Portfolio App
Curt Schilling #556 (Baseball Cards 1991 Donruss) — is it worth grading?

Is Curt Schilling #556 worth grading?

Baseball · Baseball Cards 1991 Donruss · full price guide →

Grading rarely pays for this card

PSA 10 copies of Curt Schilling #556 sell for $14.97, only $13.97 above the $1.00 raw price — less than an economy-tier grading fee. A PSA 9 ($5.13) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$1.00
PSA 10
$14.97
PSA 9
$5.13
Gem premium
15×
As of
Sep 3, 2026

Break-even by outcome and fee

Curt Schilling #556: 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$14.97−$11.03−$36.03−$136
PSA 9$5.13−$20.87−$45.87−$146
PSA 8$2.54−$23.46−$48.46−$148

Net = sale price − $1.00 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?

Curt Schilling #556: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$7.59−$43.41
50%$10.05−$40.95
75%$12.51−$38.49

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Which grader pays the most — and what a 10 takes

All centering standards →
Curt Schilling #556: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$19.00best55/4570/30
PSA 10$14.97−$4.0355/4575/25
CGC 10$9.00−$10.0055/4575/25
SGC 10$9.00−$10.0055/4575/25

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.

Curt Schilling #556 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$14.97$9.00$19.00$9.00—
9.5————$6.00
9————$5.13
8————$2.54

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 1991 Donruss cards worth checking

Full set checklist →

Grading Curt Schilling #556 — FAQ

Is Curt Schilling #556 worth grading?

PSA 10 copies of Curt Schilling #556 sell for $14.97, only $13.97 above the $1.00 raw price — less than an economy-tier grading fee. A PSA 9 ($5.13) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 Curt Schilling #556 worth compared with raw?

A PSA 10 Curt Schilling #556 (Baseball Cards 1991 Donruss) sells for about $14.97 versus $1.00 for a raw near-mint copy — a 15× premium as of Sep 3, 2026.

Which grading company is best for Curt Schilling #556?

By resale value, BGS 10 leads at $19.00, ahead of PSA 10 at $14.97. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Curt Schilling #556 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.

Best on iPhone & Android

Check your baseball 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