Midpoint - Card Centering Tool

Is Randy Johnson #339 worth grading?

Baseball · Baseball Cards 1991 Ultra · full price guide →

Grading rarely pays for this card

PSA 10 copies of Randy Johnson #339 sell for $21.50, only $20.33 above the $1.17 raw price — less than an economy-tier grading fee. A PSA 9 ($10.61) 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)
$1.17
PSA 10
$21.50
PSA 9
$10.61
Gem premium
18×
As of
Jul 11, 2026

Break-even by outcome and fee

Randy Johnson #339: 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$21.50−$4.67−$29.67−$130
PSA 9$10.61−$15.56−$40.56−$141
PSA 8$8.00−$18.17−$43.17−$143

Net = sale price − $1.17 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?

Randy Johnson #339: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$13.33−$37.84
50%$16.05−$35.12
75%$18.78−$32.39

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
Randy Johnson #339: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$28.00best55/4570/30
PSA 10$21.50−$6.5055/4575/25
CGC 10$13.00−$15.0055/4575/25
SGC 10$13.00−$15.0055/4575/25

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.

Randy Johnson #339 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$21.50$13.00$28.00$13.00
9.5$21.00
9$10.61
8$8.00

Run your own numbers

Should I pay this?

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

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Full set checklist

Grading Randy Johnson #339 — FAQ

Is Randy Johnson #339 worth grading?

PSA 10 copies of Randy Johnson #339 sell for $21.50, only $20.33 above the $1.17 raw price — less than an economy-tier grading fee. A PSA 9 ($10.61) 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 Randy Johnson #339 worth compared with raw?

A PSA 10 Randy Johnson #339 (Baseball Cards 1991 Ultra) sells for about $21.50 versus $1.17 for a raw near-mint copy — a 18× premium as of Jul 11, 2026.

Which grading company is best for Randy Johnson #339?

By resale value, BGS 10 leads at $28.00, ahead of PSA 10 at $21.50. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Randy Johnson #339 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.

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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