Midpoint - Card Centering Tool

Is Testing #83 worth grading?

Marvel · Marvel 1991 Comic Images X-Men · full price guide →

Strong grading candidate — 160× premium in PSA 10

A PSA 10 Testing #83 sells for $79.91 against $0.50 raw: a $79.41 spread, 160× the ungraded price. A PSA 9 ($12.57) 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)
$0.50
PSA 10
$79.91
PSA 9
$12.57
Gem premium
160×
As of
Aug 15, 2026

Break-even by outcome and fee

Testing #83: 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$79.91+$54.41+$29.41−$70.59
PSA 9$12.57−$12.93−$37.93−$138

Net = sale price − $0.50 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?

Testing #83: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$29.41−$21.09
50%$46.24−$4.26
75%$63.07+$12.57

Break-even gem rate at the standard fee: about 56%. 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
Testing #83: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$104best55/4570/30
PSA 10$79.91−$24.0955/4575/25
CGC 10$48.00−$56.0055/4575/25
SGC 10$48.00−$56.0055/4575/25

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.

Testing #83 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$79.91$48.00$104$48.00
9.5$14.00
9$12.57

Run your own numbers

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Other Marvel 1991 Comic Images X-Men cards worth checking

Full set checklist

Grading Testing #83 — FAQ

Is Testing #83 worth grading?

A PSA 10 Testing #83 sells for $79.91 against $0.50 raw: a $79.41 spread, 160× the ungraded price. A PSA 9 ($12.57) 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 Testing #83 worth compared with raw?

A PSA 10 Testing #83 (Marvel 1991 Comic Images X-Men) sells for about $79.91 versus $0.50 for a raw near-mint copy — a 160× premium as of Aug 15, 2026.

Which grading company is best for Testing #83?

By resale value, BGS 10 leads at $104, ahead of PSA 10 at $79.91. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Testing #83 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 Testing #83 break even?

At a standard ~$50 fee, submitting Testing #83 breaks even when it gems about 56% of the time (a miss assumed to sell at the PSA 9 price of $12.57).

Is your Marvel 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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