Midpoint - Card Centering Tool
Mark Grace #17 (Baseball Cards 1989 Donruss) — is it worth grading?

Is Mark Grace #17 worth grading?

Baseball · Baseball Cards 1989 Donruss · full price guide →

Strong grading candidate — 71× premium in PSA 10

A PSA 10 Mark Grace #17 sells for $89.21 against $1.25 raw: a $87.96 spread, 71× the ungraded price. A PSA 9 ($19.51) 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)
$1.25
PSA 10
$89.21
PSA 9
$19.51
Gem premium
71×
As of
Jul 11, 2026

Break-even by outcome and fee

Mark Grace #17: 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$89.21+$62.96+$37.96−$62.04
PSA 9$19.51−$6.74−$31.74−$132
PSA 8$9.20−$17.05−$42.05−$142

Net = sale price − $1.25 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?

Mark Grace #17: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$36.94−$14.31
50%$54.36+$3.11
75%$71.78+$20.53

Break-even gem rate at the standard fee: about 46%. 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
Mark Grace #17: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$116best55/4570/30
PSA 10$89.21−$26.7955/4575/25
CGC 10$54.00−$62.0055/4575/25
SGC 10$54.00−$62.0055/4575/25

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.

Mark Grace #17 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$89.21$54.00$116$54.00
9.5$35.93
9$19.51
8$9.20
7$2.04

Run your own numbers

Should I pay this?

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

Other 1989 Donruss cards worth checking

Full set checklist

Grading Mark Grace #17 — FAQ

Is Mark Grace #17 worth grading?

A PSA 10 Mark Grace #17 sells for $89.21 against $1.25 raw: a $87.96 spread, 71× the ungraded price. A PSA 9 ($19.51) 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 Mark Grace #17 worth compared with raw?

A PSA 10 Mark Grace #17 (Baseball Cards 1989 Donruss) sells for about $89.21 versus $1.25 for a raw near-mint copy — a 71× premium as of Jul 11, 2026.

Which grading company is best for Mark Grace #17?

By resale value, BGS 10 leads at $116, ahead of PSA 10 at $89.21. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Mark Grace #17 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 Mark Grace #17 break even?

At a standard ~$50 fee, submitting Mark Grace #17 breaks even when it gems about 46% of the time (a miss assumed to sell at the PSA 9 price of $19.51).

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