MidpointCard Centering Grading Portfolio App
1975 Rookie Pitchers #621 (Baseball Cards 1975 Topps Mini) — is it worth grading?

Is 1975 Rookie Pitchers #621 worth grading?

Baseball · Baseball Cards 1975 Topps Mini · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 1975 Rookie Pitchers #621 sells for $445 against $4.00 raw: a $441 spread, 111× the ungraded price. Even a PSA 9 ($46.00) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$4.00
PSA 10
$445
PSA 9
$46.00
Gem premium
111×
As of
Sep 3, 2026

Break-even by outcome and fee

1975 Rookie Pitchers #621: 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$445+$416+$391+$291
PSA 9$46.00+$17.00−$8.00−$108
PSA 8$23.46−$5.54−$30.54−$131

Net = sale price − $4.00 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?

1975 Rookie Pitchers #621: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$146+$91.65
50%$245+$191
75%$345+$291

Break-even gem rate at the standard fee: about 2%. 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 →
1975 Rookie Pitchers #621: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$578best55/4570/30
PSA 10$445−$13355/4575/25
CGC 10$267−$31155/4575/25
SGC 10$267−$31155/4575/25

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.

1975 Rookie Pitchers #621 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$445$267$578$267—
9.5————$132
9————$46.00
8————$23.46
7————$22.68

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 1975 Topps Mini cards worth checking

Full set checklist →

Grading 1975 Rookie Pitchers #621 — FAQ

Is 1975 Rookie Pitchers #621 worth grading?

A PSA 10 1975 Rookie Pitchers #621 sells for $445 against $4.00 raw: a $441 spread, 111× the ungraded price. Even a PSA 9 ($46.00) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 1975 Rookie Pitchers #621 worth compared with raw?

A PSA 10 1975 Rookie Pitchers #621 (Baseball Cards 1975 Topps Mini) sells for about $445 versus $4.00 for a raw near-mint copy — a 111× premium as of Sep 3, 2026.

Which grading company is best for 1975 Rookie Pitchers #621?

By resale value, BGS 10 leads at $578, ahead of PSA 10 at $445. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does 1975 Rookie Pitchers #621 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 1975 Rookie Pitchers #621 break even?

At a standard ~$50 fee, submitting 1975 Rookie Pitchers #621 breaks even when it gems about 2% of the time (a miss assumed to sell at the PSA 9 price of $46.00).

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