![Kon Knueppel [Holo Blue Foil] #GN-4 (Basketball Cards 2025 Topps Generation Now) — is it worth grading?](https://i.ebayimg.com/images/g/PPgAAeSwCVRqC3Uc/s-l1600.jpg)
Is Kon Knueppel [Holo Blue Foil] #GN-4 worth grading?
Basketball · Basketball Cards 2025 Topps Generation Now · full price guide →
Strong grading candidate — 4.5× premium in PSA 10
A PSA 10 Kon Knueppel [Holo Blue Foil] #GN-4 sells for $318 against $70.12 raw: a $247 spread, 4.5× the ungraded price. A PSA 9 ($78.00) 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)
- $70.12
- PSA 10
- $318
- PSA 9
- $78.00
- Gem premium
- 4.5×
- 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 | $318 | +$222 | +$197 | +$97.38 |
| PSA 9 | $78.00 | −$17.12 | −$42.12 | −$142 |
| PSA 8 | $66.91 | −$28.21 | −$53.21 | −$153 |
Net = sale price − $70.12 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% | $138 | +$17.75 |
| 50% | $198 | +$77.63 |
| 75% | $258 | +$138 |
Break-even gem rate at the standard fee: about 18%. 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 | $413 | best | 55/45 | 70/30 |
| PSA 10 | $318 | −$95.50 | 55/45 | 75/25 |
| CGC 10 | $191 | −$222 | 55/45 | 75/25 |
| SGC 10 | $191 | −$222 | 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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Raw conditions & history →Swipe the table for the other grading companies →
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Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2025 Topps Generation Now cards worth checking
Full set checklist →![Cooper Flagg [Holo Blue Foil] #GN-1 2025 Topps Generation Now card](https://i.ebayimg.com/images/g/e68AAeSwtGBqei8Y/s-l500.jpg)
![Cooper Flagg [Holo Gold Foil] #GN-1 2025 Topps Generation Now card](https://i.ebayimg.com/images/g/AvQAAeSwmhtpe98I/s-l500.jpg)
![Cooper Flagg [Holo Orange Foil] #GN-1 2025 Topps Generation Now card](https://i.ebayimg.com/images/g/Ua4AAeSw5GFprsof/s-l500.jpg)
![VJ Edgecombe [Holo Gold Foil] #GN-3 2025 Topps Generation Now card](https://i.ebayimg.com/images/g/7DcAAeSwzyhqIb-c/s-l500.jpg)
![Cooper Flagg [Holo Green Foil] #GN-1 2025 Topps Generation Now card](https://i.ebayimg.com/images/g/0qoAAeSwAFFqEnHp/s-l500.jpg)
Grading Kon Knueppel [Holo Blue Foil] #GN-4 — FAQ
Is Kon Knueppel [Holo Blue Foil] #GN-4 worth grading?
A PSA 10 Kon Knueppel [Holo Blue Foil] #GN-4 sells for $318 against $70.12 raw: a $247 spread, 4.5× the ungraded price. A PSA 9 ($78.00) 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 [Holo Blue Foil] #GN-4 worth compared with raw?
A PSA 10 Kon Knueppel [Holo Blue Foil] #GN-4 (Basketball Cards 2025 Topps Generation Now) sells for about $318 versus $70.12 for a raw near-mint copy — a 4.5× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Holo Blue Foil] #GN-4?
By resale value, BGS 10 leads at $413, ahead of PSA 10 at $318. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Holo Blue Foil] #GN-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 [Holo Blue Foil] #GN-4 break even?
At a standard ~$50 fee, submitting Kon Knueppel [Holo Blue Foil] #GN-4 breaks even when it gems about 18% of the time (a miss assumed to sell at the PSA 9 price of $78.00).
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