Midpoint - Card Centering Tool

Is David Thompson #100 worth grading?

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Worth grading — even a PSA 9 beats raw

A PSA 10 David Thompson #100 sells for $527 against $1.99 raw: a $525 spread, 265× the ungraded price. Even a PSA 9 ($41.15) 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)
$1.99
PSA 10
$527
PSA 9
$41.15
Gem premium
265×
As of
Jul 11, 2026

Break-even by outcome and fee

David Thompson #100: 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$527+$500+$475+$375
PSA 9$41.15+$14.16−$10.84−$111
PSA 8$12.57−$14.42−$39.42−$139

Net = sale price − $1.99 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?

David Thompson #100: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$163+$111
50%$284+$232
75%$406+$354

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
David Thompson #100: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$685best55/4570/30
PSA 10$527−$15855/4575/25
CGC 10$316−$36955/4575/25
SGC 10$316−$36955/4575/25

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.

David Thompson #100 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$527$316$685$316
9.5$81.86
9$41.15
8$12.57
7$11.00

Run your own numbers

Should I pay this?

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

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Grading David Thompson #100 — FAQ

Is David Thompson #100 worth grading?

A PSA 10 David Thompson #100 sells for $527 against $1.99 raw: a $525 spread, 265× the ungraded price. Even a PSA 9 ($41.15) 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 David Thompson #100 worth compared with raw?

A PSA 10 David Thompson #100 (Basketball Cards 1978 Topps) sells for about $527 versus $1.99 for a raw near-mint copy — a 265× premium as of Jul 11, 2026.

Which grading company is best for David Thompson #100?

By resale value, BGS 10 leads at $685, ahead of PSA 10 at $527. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does David Thompson #100 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 David Thompson #100 break even?

At a standard ~$50 fee, submitting David Thompson #100 breaks even when it gems about 2% of the time (a miss assumed to sell at the PSA 9 price of $41.15).

Is your basketball card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

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