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Gregg Jefferies #645 (Baseball Cards 1988 Score) — is it worth grading?

Is Gregg Jefferies #645 worth grading?

Baseball · Baseball Cards 1988 Score · full price guide →

Strong grading candidate — 38× premium in PSA 10

A PSA 10 Gregg Jefferies #645 sells for $56.73 against $1.49 raw: a $55.24 spread, 38× the ungraded price. A PSA 9 ($25.00) 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)
$1.49
PSA 10
$56.73
PSA 9
$25.00
Gem premium
38×
As of
Jul 11, 2026

Break-even by outcome and fee

Gregg Jefferies #645: 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$56.73+$30.24+$5.24−$94.76
PSA 9$25.00−$1.49−$26.49−$126
PSA 8$15.00−$11.49−$36.49−$136

Net = sale price − $1.49 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?

Gregg Jefferies #645: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$32.93−$18.56
50%$40.86−$10.63
75%$48.80−$2.69

Break-even gem rate at the standard fee: about 83%. 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
Gregg Jefferies #645: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$74.00best55/4570/30
PSA 10$56.73−$17.2755/4575/25
CGC 10$34.00−$40.0055/4575/25
SGC 10$34.00−$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.

Gregg Jefferies #645 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$56.73$34.00$74.00$34.00
9.5$38.00
9$25.00
8$15.00
7$0.56

Run your own numbers

Should I pay this?

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

Other 1988 Score cards worth checking

Full set checklist

Grading Gregg Jefferies #645 — FAQ

Is Gregg Jefferies #645 worth grading?

A PSA 10 Gregg Jefferies #645 sells for $56.73 against $1.49 raw: a $55.24 spread, 38× the ungraded price. A PSA 9 ($25.00) 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 Gregg Jefferies #645 worth compared with raw?

A PSA 10 Gregg Jefferies #645 (Baseball Cards 1988 Score) sells for about $56.73 versus $1.49 for a raw near-mint copy — a 38× premium as of Jul 11, 2026.

Which grading company is best for Gregg Jefferies #645?

By resale value, BGS 10 leads at $74.00, ahead of PSA 10 at $56.73. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Gregg Jefferies #645 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 Gregg Jefferies #645 break even?

At a standard ~$50 fee, submitting Gregg Jefferies #645 breaks even when it gems about 83% of the time (a miss assumed to sell at the PSA 9 price of $25.00).

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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