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Shane Mack #136 (Baseball Cards 1990 Leaf) — is it worth grading?

Is Shane Mack #136 worth grading?

Baseball · Baseball Cards 1990 Leaf · full price guide →

Grading rarely pays for this card

PSA 10 copies of Shane Mack #136 sell for $21.21, only $20.96 above the $0.25 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$0.25
PSA 10
$21.21
Gem premium
85×
As of
Jul 11, 2026

Break-even by outcome and fee

Shane Mack #136: 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$21.21−$4.04−$29.04−$129

Net = sale price − $0.25 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Which grader pays the most — and what a 10 takes

All centering standards
Shane Mack #136: 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$21.21−$6.7955/4575/25
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.

Shane Mack #136 graded prices by company and grade
GradePSACGCBGSSGC
10$21.21$13.00$28.00$13.00

Run your own numbers

Should I pay this?

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

Other 1990 Leaf cards worth checking

Full set checklist

Grading Shane Mack #136 — FAQ

Is Shane Mack #136 worth grading?

PSA 10 copies of Shane Mack #136 sell for $21.21, only $20.96 above the $0.25 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.

How much is a PSA 10 Shane Mack #136 worth compared with raw?

A PSA 10 Shane Mack #136 (Baseball Cards 1990 Leaf) sells for about $21.21 versus $0.25 for a raw near-mint copy — a 85× premium as of Jul 11, 2026.

Which grading company is best for Shane Mack #136?

By resale value, BGS 10 leads at $28.00, ahead of PSA 10 at $21.21. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Shane Mack #136 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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