Midpoint - Card Centering Tool

Is Billy Martin #81 worth grading?

Baseball · Baseball Cards 1984 Topps · full price guide →

Strong grading candidate — 43× premium in PSA 10

A PSA 10 Billy Martin #81 sells for $61.81 against $1.45 raw: a $60.36 spread, 43× the ungraded price. A PSA 9 ($22.50) 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)
$1.45
PSA 10
$61.81
PSA 9
$22.50
Gem premium
43×
As of
Jul 11, 2026

Break-even by outcome and fee

Billy Martin #81: 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$61.81+$35.36+$10.36−$89.64
PSA 9$22.50−$3.95−$28.95−$129
PSA 8$16.47−$9.98−$34.98−$135

Net = sale price − $1.45 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?

Billy Martin #81: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$32.33−$19.12
50%$42.16−$9.30
75%$51.98+$0.53

Break-even gem rate at the standard fee: about 74%. 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
Billy Martin #81: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$80.00best55/4570/30
PSA 10$61.81−$18.1955/4575/25
CGC 10$37.00−$43.0055/4575/25
SGC 10$37.00−$43.0055/4575/25

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.

Billy Martin #81 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$61.81$37.00$80.00$37.00
9.5$30.00
9$22.50
8$16.47
7$12.97

Run your own numbers

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

Other 1984 Topps cards worth checking

Full set checklist

Grading Billy Martin #81 — FAQ

Is Billy Martin #81 worth grading?

A PSA 10 Billy Martin #81 sells for $61.81 against $1.45 raw: a $60.36 spread, 43× the ungraded price. A PSA 9 ($22.50) 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 Billy Martin #81 worth compared with raw?

A PSA 10 Billy Martin #81 (Baseball Cards 1984 Topps) sells for about $61.81 versus $1.45 for a raw near-mint copy — a 43× premium as of Jul 11, 2026.

Which grading company is best for Billy Martin #81?

By resale value, BGS 10 leads at $80.00, ahead of PSA 10 at $61.81. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Billy Martin #81 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 Billy Martin #81 break even?

At a standard ~$50 fee, submitting Billy Martin #81 breaks even when it gems about 74% of the time (a miss assumed to sell at the PSA 9 price of $22.50).

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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