Midpoint - Card Centering Tool

Is Dave Stewart #648 worth grading?

Baseball · Baseball Cards 1987 Donruss · full price guide →

Strong grading candidate — 84× premium in PSA 10

A PSA 10 Dave Stewart #648 sells for $83.45 against $0.99 raw: a $82.46 spread, 84× the ungraded price. A PSA 9 ($12.00) 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)
$0.99
PSA 10
$83.45
PSA 9
$12.00
Gem premium
84×
As of
Jul 11, 2026

Break-even by outcome and fee

Dave Stewart #648: 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$83.45+$57.46+$32.46−$67.54
PSA 9$12.00−$13.99−$38.99−$139
PSA 8$8.68−$17.31−$42.31−$142

Net = sale price − $0.99 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?

Dave Stewart #648: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$29.86−$21.13
50%$47.73−$3.27
75%$65.59+$14.60

Break-even gem rate at the standard fee: about 55%. 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
Dave Stewart #648: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$108best55/4570/30
PSA 10$83.45−$24.5555/4575/25
CGC 10$50.00−$58.0055/4575/25
SGC 10$50.00−$58.0055/4575/25

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.

Dave Stewart #648 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$83.45$50.00$108$50.00
9.5$34.37
9$12.00
8$8.68

Run your own numbers

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Grading Dave Stewart #648 — FAQ

Is Dave Stewart #648 worth grading?

A PSA 10 Dave Stewart #648 sells for $83.45 against $0.99 raw: a $82.46 spread, 84× the ungraded price. A PSA 9 ($12.00) 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 Dave Stewart #648 worth compared with raw?

A PSA 10 Dave Stewart #648 (Baseball Cards 1987 Donruss) sells for about $83.45 versus $0.99 for a raw near-mint copy — a 84× premium as of Jul 11, 2026.

Which grading company is best for Dave Stewart #648?

By resale value, BGS 10 leads at $108, ahead of PSA 10 at $83.45. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Dave Stewart #648 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 Dave Stewart #648 break even?

At a standard ~$50 fee, submitting Dave Stewart #648 breaks even when it gems about 55% of the time (a miss assumed to sell at the PSA 9 price of $12.00).

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.

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