MidpointCard Centering Grading Portfolio App

Is Jim Kaat #536 worth grading?

Baseball · Baseball Cards 1981 Fleer · full price guide →

Strong grading candidate — 34× premium in PSA 10

A PSA 10 Jim Kaat #536 sells for $44.41 against $1.30 raw: a $43.11 spread, 34× the ungraded price. A PSA 9 ($20.80) 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)
$1.30
PSA 10
$44.41
PSA 9
$20.80
Gem premium
34×
As of
Sep 3, 2026

Break-even by outcome and fee

Jim Kaat #536: 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$44.41+$18.11−$6.89−$107
PSA 9$20.80−$5.50−$30.50−$131
PSA 8$16.79−$9.51−$34.51−$135

Net = sale price − $1.30 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?

Jim Kaat #536: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$26.70−$24.60
50%$32.60−$18.70
75%$38.51−$12.79

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 →
Jim Kaat #536: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$58.00best55/4570/30
PSA 10$44.41−$13.5955/4575/25
CGC 10$27.00−$31.0055/4575/25
SGC 10$27.00−$31.0055/4575/25

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.

Jim Kaat #536 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$44.41$27.00$58.00$27.00—
9.5————$44.00
9————$20.80
8————$16.79

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 1981 Fleer cards worth checking

Full set checklist →

Grading Jim Kaat #536 — FAQ

Is Jim Kaat #536 worth grading?

A PSA 10 Jim Kaat #536 sells for $44.41 against $1.30 raw: a $43.11 spread, 34× the ungraded price. A PSA 9 ($20.80) 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 Jim Kaat #536 worth compared with raw?

A PSA 10 Jim Kaat #536 (Baseball Cards 1981 Fleer) sells for about $44.41 versus $1.30 for a raw near-mint copy — a 34× premium as of Sep 3, 2026.

Which grading company is best for Jim Kaat #536?

By resale value, BGS 10 leads at $58.00, ahead of PSA 10 at $44.41. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Jim Kaat #536 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.

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