MidpointCard Centering Grading Portfolio App
Harold Cotton #39 (Hockey Cards 1933 Hamilton Gum) — is it worth grading?

Is Harold Cotton #39 worth grading?

Hockey · Hockey Cards 1933 Hamilton Gum · full price guide →

Strong grading candidate — 9.4× premium in Grade 7

A Grade 7 Harold Cotton #39 sells for $455 against $48.19 raw: a $407 spread, 9.4× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$48.19
Grade 7
$455
Gem premium
9.4×
As of
Sep 3, 2026

Break-even by outcome and fee

Harold Cotton #39: 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$455+$382+$357+$257

Net = sale price − $48.19 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Harold Cotton #39 graded prices by company and grade
GradeGraded
7$455

Run your own numbers

Should I pay this?

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

Other 1933 Hamilton Gum cards worth checking

Full set checklist →

Grading Harold Cotton #39 — FAQ

Is Harold Cotton #39 worth grading?

A Grade 7 Harold Cotton #39 sells for $455 against $48.19 raw: a $407 spread, 9.4× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Best on iPhone & Android

Check your hockey card in the Midpoint app

Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.

Download on the App StoreGet it on Google Play

Or try it on the web →

Best on iPhone & Android

The full Midpoint experience is in the app

Scan with your camera, get AI grades with corner and edge close-ups, issue Grade Certificates, set price alerts, track your portfolio and talk to other collectors — everything here, plus the parts a browser can't do. Free to start.

Download on the App StoreGet it on Google Play