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Is Kon Knueppel [Black] #4 worth grading?

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Worth grading only if it gems

A PSA 10 Kon Knueppel [Black] #4 brings $40.00 versus $2.20 raw — a $37.80 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($14.63) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$2.20
PSA 10
$40.00
PSA 9
$14.63
Gem premium
18×
As of
Sep 4, 2026

Break-even by outcome and fee

Kon Knueppel [Black] #4: 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$40.00+$12.80−$12.20−$112
PSA 9$14.63−$12.57−$37.57−$138
PSA 8$7.77−$19.43−$44.43−$144

Net = sale price − $2.20 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?

Kon Knueppel [Black] #4: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$20.97−$31.23
50%$27.32−$24.88
75%$33.66−$18.54

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
Kon Knueppel [Black] #4: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
BGS 10$52.00best55/4570/30
PSA 10$40.00−$12.0055/4575/25
CGC 10$24.00−$28.0055/4575/25
SGC 10$24.00−$28.0055/4575/25

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.

Kon Knueppel [Black] #4 graded prices by company and grade
GradePSACGCBGSSGCGraded
10$40.00$24.00$52.00$24.00
9.5$28.61
9$14.63
8$7.77

Swipe the table for the other grading companies →

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Grading Kon Knueppel [Black] #4 — FAQ

Is Kon Knueppel [Black] #4 worth grading?

A PSA 10 Kon Knueppel [Black] #4 brings $40.00 versus $2.20 raw — a $37.80 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($14.63) only about breaks even after fees, so the case rests on gemming.

How much is a PSA 10 Kon Knueppel [Black] #4 worth compared with raw?

A PSA 10 Kon Knueppel [Black] #4 (Basketball Cards 2025 Bowman U Now March Madness) sells for about $40.00 versus $2.20 for a raw near-mint copy — a 18× premium as of Sep 4, 2026.

Which grading company is best for Kon Knueppel [Black] #4?

By resale value, BGS 10 leads at $52.00, ahead of PSA 10 at $40.00. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Kon Knueppel [Black] #4 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.

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