MidpointCard Centering Grading Portfolio App

Is Gates Brown #389 worth grading?

Baseball · Baseball Cards 1974 O Pee Chee · full price guide →

Strong grading candidate — 29× premium in Grade 8

A Grade 8 Gates Brown #389 sells for $74.33 against $2.55 raw: a $71.78 spread, 29× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$2.55
Grade 8
$74.33
Gem premium
29×
As of
Sep 3, 2026

Break-even by outcome and fee

Gates Brown #389: 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 8$74.33+$46.78+$21.78−$78.22
PSA 8$74.33+$46.78+$21.78−$78.22

Net = sale price − $2.55 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Gates Brown #389 graded prices by company and grade
GradeGraded
8$74.33

Run your own numbers

Should I pay this?

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

Other 1974 O Pee Chee cards worth checking

Full set checklist

Grading Gates Brown #389 — FAQ

Is Gates Brown #389 worth grading?

A Grade 8 Gates Brown #389 sells for $74.33 against $2.55 raw: a $71.78 spread, 29× 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 baseball 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