Is Kon Knueppel [X-Fractor] #48 worth grading?
Basketball · Basketball Cards 2024 Bowman Chrome University · full price guide →
Strong grading candidate — 28× premium in PSA 10
A PSA 10 Kon Knueppel [X-Fractor] #48 sells for $122 against $4.40 raw: a $117 spread, 28× the ungraded price. A PSA 9 ($17.87) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $4.40
- PSA 10
- $122
- PSA 9
- $17.87
- Gem premium
- 28×
- 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 | $122 | +$92.35 | +$67.35 | −$32.65 |
| PSA 9 | $17.87 | −$11.53 | −$36.53 | −$137 |
| PSA 8 | $7.04 | −$22.36 | −$47.36 | −$147 |
Net = sale price − $4.40 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% | $43.84 | −$10.56 |
| 50% | $69.81 | +$15.41 |
| 75% | $95.78 | +$41.38 |
Break-even gem rate at the standard fee: about 35%. 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 | $158 | best | 55/45 | 70/30 |
| PSA 10 | $122 | −$36.25 | 55/45 | 75/25 |
| CGC 10 | $73.00 | −$85.00 | 55/45 | 75/25 |
| SGC 10 | $40.00 | −$118 | 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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Enter the seller’s asking price to see your net outcome per grade.
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Grading Kon Knueppel [X-Fractor] #48 — FAQ
Is Kon Knueppel [X-Fractor] #48 worth grading?
A PSA 10 Kon Knueppel [X-Fractor] #48 sells for $122 against $4.40 raw: a $117 spread, 28× the ungraded price. A PSA 9 ($17.87) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Kon Knueppel [X-Fractor] #48 worth compared with raw?
A PSA 10 Kon Knueppel [X-Fractor] #48 (Basketball Cards 2024 Bowman Chrome University) sells for about $122 versus $4.40 for a raw near-mint copy — a 28× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [X-Fractor] #48?
By resale value, BGS 10 leads at $158, ahead of PSA 10 at $122. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [X-Fractor] #48 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 [X-Fractor] #48 break even?
At a standard ~$50 fee, submitting Kon Knueppel [X-Fractor] #48 breaks even when it gems about 35% of the time (a miss assumed to sell at the PSA 9 price of $17.87).
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