![Kon Knueppel / Cooper Flagg [Black] #152 (Basketball Cards 2025 Topps Now) — is it worth grading?](https://i.ebayimg.com/images/g/pJQAAeSw1ClqAljb/s-l1600.jpg)
Is Kon Knueppel / Cooper Flagg [Black] #152 worth grading?
Basketball · Basketball Cards 2025 Topps Now · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 sells for $2,826 against $800 raw: a $2,026 spread, 3.5× the ungraded price. Even a PSA 9 ($1,134) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $800
- PSA 10
- $2,826
- PSA 9
- $1,134
- Gem premium
- 3.5×
- As of
- Sep 3, 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 | $2,826 | +$2,001 | +$1,976 | +$1,876 |
| PSA 9 | $1,134 | +$309 | +$284 | +$184 |
| PSA 8 | $689 | −$136 | −$161 | −$261 |
Net = sale price − $800 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% | $1,557 | +$707 |
| 50% | $1,980 | +$1,130 |
| 75% | $2,403 | +$1,553 |
Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.
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 | $3,674 | best | 55/45 | 70/30 |
| PSA 10 | $2,826 | −$848 | 55/45 | 75/25 |
| CGC 10 | $1,696 | −$1,978 | 55/45 | 75/25 |
| SGC 10 | $1,696 | −$1,978 | 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 / Cooper Flagg [Black] #152 — FAQ
Is Kon Knueppel / Cooper Flagg [Black] #152 worth grading?
A PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 sells for $2,826 against $800 raw: a $2,026 spread, 3.5× the ungraded price. Even a PSA 9 ($1,134) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 worth compared with raw?
A PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 (Basketball Cards 2025 Topps Now) sells for about $2,826 versus $800 for a raw near-mint copy — a 3.5× premium as of Sep 3, 2026.
Which grading company is best for Kon Knueppel / Cooper Flagg [Black] #152?
By resale value, BGS 10 leads at $3,674, ahead of PSA 10 at $2,826. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel / Cooper Flagg [Black] #152 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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