MidpointCard Centering Grading Portfolio App

Is Harold Baines #309 worth grading?

Baseball · Baseball Cards 1987 O Pee Chee · full price guide →

Strong grading candidate — 98× premium in PSA 10

A PSA 10 Harold Baines #309 sells for $135 against $1.38 raw: a $134 spread, 98× the ungraded price. A PSA 9 ($11.99) 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)
$1.38
PSA 10
$135
PSA 9
$11.99
Gem premium
98×
As of
Sep 3, 2026

Break-even by outcome and fee

Harold Baines #309: 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$135+$109+$84.10−$15.90
PSA 9$11.99−$14.39−$39.39−$139
PSA 8$2.78−$23.60−$48.60−$149

Net = sale price − $1.38 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?

Harold Baines #309: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$42.86−$8.52
50%$73.73+$22.36
75%$105+$53.23

Break-even gem rate at the standard fee: about 32%. 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 →
Harold Baines #309: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$176best55/4570/30
PSA 10$135−$40.5255/4575/25
CGC 10$81.00−$95.0055/4575/25
SGC 10$81.00−$95.0055/4575/25

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.

Harold Baines #309 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$135$81.00$176$81.00—
9.5————$13.00
9————$11.99
8————$2.78
7————$2.00

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

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

Other 1987 O Pee Chee cards worth checking

Full set checklist →

Grading Harold Baines #309 — FAQ

Is Harold Baines #309 worth grading?

A PSA 10 Harold Baines #309 sells for $135 against $1.38 raw: a $134 spread, 98× the ungraded price. A PSA 9 ($11.99) 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 Harold Baines #309 worth compared with raw?

A PSA 10 Harold Baines #309 (Baseball Cards 1987 O Pee Chee) sells for about $135 versus $1.38 for a raw near-mint copy — a 98× premium as of Sep 3, 2026.

Which grading company is best for Harold Baines #309?

By resale value, BGS 10 leads at $176, ahead of PSA 10 at $135. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Harold Baines #309 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 Harold Baines #309 break even?

At a standard ~$50 fee, submitting Harold Baines #309 breaks even when it gems about 32% of the time (a miss assumed to sell at the PSA 9 price of $11.99).

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