Is Kon Knueppel [RayWave Refractor] #BD-23 worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Ball Of Duty · full price guide →
Strong grading candidate — 9.1× premium in PSA 10
A PSA 10 Kon Knueppel [RayWave Refractor] #BD-23 sells for $125 against $13.78 raw: a $111 spread, 9.1× the ungraded price. A PSA 9 ($35.00) 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)
- $13.78
- PSA 10
- $125
- PSA 9
- $35.00
- Gem premium
- 9.1×
- 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 | $125 | +$86.01 | +$61.01 | −$38.99 |
| PSA 9 | $35.00 | −$3.78 | −$28.78 | −$129 |
| PSA 8 | $17.45 | −$21.33 | −$46.33 | −$146 |
Net = sale price − $13.78 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% | $57.45 | −$6.33 |
| 50% | $79.90 | +$16.12 |
| 75% | $102 | +$38.56 |
Break-even gem rate at the standard fee: about 32%. 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 | $162 | best | 55/45 | 70/30 |
| PSA 10 | $125 | −$37.21 | 55/45 | 75/25 |
| CGC 10 | $75.00 | −$87.00 | 55/45 | 75/25 |
| SGC 10 | $75.00 | −$87.00 | 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 [RayWave Refractor] #BD-23 — FAQ
Is Kon Knueppel [RayWave Refractor] #BD-23 worth grading?
A PSA 10 Kon Knueppel [RayWave Refractor] #BD-23 sells for $125 against $13.78 raw: a $111 spread, 9.1× the ungraded price. A PSA 9 ($35.00) 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 [RayWave Refractor] #BD-23 worth compared with raw?
A PSA 10 Kon Knueppel [RayWave Refractor] #BD-23 (Basketball Cards 2025 Topps Chrome Ball Of Duty) sells for about $125 versus $13.78 for a raw near-mint copy — a 9.1× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [RayWave Refractor] #BD-23?
By resale value, BGS 10 leads at $162, ahead of PSA 10 at $125. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [RayWave Refractor] #BD-23 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 [RayWave Refractor] #BD-23 break even?
At a standard ~$50 fee, submitting Kon Knueppel [RayWave Refractor] #BD-23 breaks even when it gems about 32% of the time (a miss assumed to sell at the PSA 9 price of $35.00).
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