Midpoint - Card Centering Tool

Is But mother, I'm too old for dancing lessons! #29 worth grading?

Marvel · Marvel 1967 Philadelphia Sticker · full price guide →

Strong grading candidate — 4.1× premium in Grade 7

A Grade 7 But mother, I'm too old for dancing lessons! #29 sells for $710 against $172 raw: a $538 spread, 4.1× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$172
Grade 7
$710
Gem premium
4.1×
As of
Aug 15, 2026

Break-even by outcome and fee

But mother, I'm too old for dancing lessons! #29: 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 — Grade 7$710+$513+$488+$388

Net = sale price − $172 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

But mother, I'm too old for dancing lessons! #29 graded prices by company and grade
GradeGraded
7$710

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Grading But mother, I'm too old for dancing lessons! #29 — FAQ

Is But mother, I'm too old for dancing lessons! #29 worth grading?

A Grade 7 But mother, I'm too old for dancing lessons! #29 sells for $710 against $172 raw: a $538 spread, 4.1× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

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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