Is Kon Knueppel #AD-4 worth grading?
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Worth grading only if it gems
A PSA 10 Kon Knueppel #AD-4 brings $227 versus $131 raw — a $96.37 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($134) only about breaks even after fees, so the case rests on gemming.
- Raw (NM)
- $131
- PSA 10
- $227
- PSA 9
- $134
- Gem premium
- 1.7×
- As of
- Sep 4, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $227 | +$71.37 | +$46.37 | −$53.63 |
| PSA 9 | $134 | −$21.57 | −$46.57 | −$147 |
| PSA 8 | $118 | −$38.07 | −$63.07 | −$163 |
Net = sale price − $131 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?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $157 | −$23.33 |
| 50% | $180 | −$0.10 |
| 75% | $204 | +$23.13 |
Break-even gem rate at the standard fee: about 50%. 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 →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $295 | best | 55/45 | 70/30 |
| PSA 10 | $227 | −$68.06 | 55/45 | 75/25 |
| CGC 10 | $136 | −$159 | 55/45 | 75/25 |
| SGC 10 | $136 | −$159 | 55/45 | 75/25 |
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.
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Grading Kon Knueppel #AD-4 — FAQ
Is Kon Knueppel #AD-4 worth grading?
A PSA 10 Kon Knueppel #AD-4 brings $227 versus $131 raw — a $96.37 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($134) only about breaks even after fees, so the case rests on gemming.
How much is a PSA 10 Kon Knueppel #AD-4 worth compared with raw?
A PSA 10 Kon Knueppel #AD-4 (Basketball Cards 2025 Topps Chrome Advisory) sells for about $227 versus $131 for a raw near-mint copy — a 1.7× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel #AD-4?
By resale value, BGS 10 leads at $295, ahead of PSA 10 at $227. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel #AD-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.
What gem rate makes grading Kon Knueppel #AD-4 break even?
At a standard ~$50 fee, submitting Kon Knueppel #AD-4 breaks even when it gems about 50% of the time (a miss assumed to sell at the PSA 9 price of $134).
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