MidpointCard Centering Grading Portfolio App

Is Dave Osborn #13 worth grading?

Football · Football Cards 1970 Topps Glossy · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 Dave Osborn #13 sells for $654 against $4.88 raw: a $649 spread, 134× the ungraded price. Even a PSA 9 ($105) 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)
$4.88
PSA 10
$654
PSA 9
$105
Gem premium
134×
As of
Sep 4, 2026

Break-even by outcome and fee

Dave Osborn #13: 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$654+$624+$599+$499
PSA 9$105+$74.73+$49.73−$50.27
PSA 8$73.67+$43.79+$18.79−$81.21

Net = sale price − $4.88 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?

Dave Osborn #13: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$242+$187
50%$379+$324
75%$516+$462

Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.

Which grader pays the most — and what a 10 takes

All centering standards
Dave Osborn #13: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$850best55/4570/30
PSA 10$654−$19655/4575/25
CGC 10$392−$45855/4575/25
SGC 10$392−$45855/4575/25

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.

Dave Osborn #13 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$654$392$850$392
9.5$189
9$105
8$73.67

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 1970 Topps Glossy cards worth checking

Full set checklist

Grading Dave Osborn #13 — FAQ

Is Dave Osborn #13 worth grading?

A PSA 10 Dave Osborn #13 sells for $654 against $4.88 raw: a $649 spread, 134× the ungraded price. Even a PSA 9 ($105) 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 Dave Osborn #13 worth compared with raw?

A PSA 10 Dave Osborn #13 (Football Cards 1970 Topps Glossy) sells for about $654 versus $4.88 for a raw near-mint copy — a 134× premium as of Sep 4, 2026.

Which grading company is best for Dave Osborn #13?

By resale value, BGS 10 leads at $850, ahead of PSA 10 at $654. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Dave Osborn #13 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 football 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