Midpoint - Card Centering Tool

Is Sleepwalker #146 worth grading?

Marvel · Marvel 1991 Universe · full price guide →

Strong grading candidate — 25× premium in PSA 10

A PSA 10 Sleepwalker #146 sells for $48.82 against $1.99 raw: a $46.83 spread, 25× the ungraded price. A PSA 9 ($10.63) 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)
$1.99
PSA 10
$48.82
PSA 9
$10.63
Gem premium
25×
As of
Aug 15, 2026

Break-even by outcome and fee

Sleepwalker #146: 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$48.82+$21.83−$3.17−$103
PSA 9$10.63−$16.36−$41.36−$141
PSA 8$4.76−$22.23−$47.23−$147

Net = sale price − $1.99 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?

Sleepwalker #146: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$20.18−$31.81
50%$29.73−$22.26
75%$39.27−$12.72

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
Sleepwalker #146: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$63.00best55/4570/30
PSA 10$48.82−$14.1855/4575/25
CGC 10$29.00−$34.0055/4575/25
SGC 10$29.00−$34.0055/4575/25

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.

Sleepwalker #146 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$48.82$29.00$63.00$29.00
9.5$13.74
9$10.63
8$4.76

Run your own numbers

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Other Marvel 1991 Universe cards worth checking

Full set checklist

Grading Sleepwalker #146 — FAQ

Is Sleepwalker #146 worth grading?

A PSA 10 Sleepwalker #146 sells for $48.82 against $1.99 raw: a $46.83 spread, 25× the ungraded price. A PSA 9 ($10.63) 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 Sleepwalker #146 worth compared with raw?

A PSA 10 Sleepwalker #146 (Marvel 1991 Universe) sells for about $48.82 versus $1.99 for a raw near-mint copy — a 25× premium as of Aug 15, 2026.

Which grading company is best for Sleepwalker #146?

By resale value, BGS 10 leads at $63.00, ahead of PSA 10 at $48.82. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Sleepwalker #146 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 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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