![Kon Knueppel [Refractor Purple] #FS-KK (Basketball Cards 2025 Topps Chrome Future Stars Autograph) — is it worth grading?](https://i.ebayimg.com/images/g/51sAAeSw2YpqncDY/s-l1600.jpg)
Is Kon Knueppel [Refractor Purple] #FS-KK worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Future Stars Autograph · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel [Refractor Purple] #FS-KK sells for $2,000 against $409 raw: a $1,591 spread, 4.9× the ungraded price. Even a PSA 9 ($632) 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)
- $409
- PSA 10
- $2,000
- PSA 9
- $632
- Gem premium
- 4.9×
- 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 | $2,000 | +$1,566 | +$1,541 | +$1,441 |
| PSA 9 | $632 | +$198 | +$173 | +$73.45 |
| PSA 8 | $368 | −$65.55 | −$90.55 | −$191 |
Net = sale price − $409 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% | $974 | +$515 |
| 50% | $1,316 | +$857 |
| 75% | $1,658 | +$1,199 |
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 | $2,600 | best | 55/45 | 70/30 |
| PSA 10 | $2,000 | −$600 | 55/45 | 75/25 |
| CGC 10 | $1,200 | −$1,400 | 55/45 | 75/25 |
| SGC 10 | $1,200 | −$1,400 | 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.
Full grade ladder
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 Chrome Future Stars Autograph cards worth checking
Full set checklist →![Cooper Flagg [Refractor Purple] #FS-CF 2025 Topps Chrome Future Stars Autograph card](https://i.ebayimg.com/images/g/3s4AAeSwjPFqh0by/s-l500.jpg)
![Cooper Flagg [Refractor] #FS-CF 2025 Topps Chrome Future Stars Autograph card](https://i.ebayimg.com/images/g/3FIAAeSwS95qPJ-Z/s-l500.jpg)
![Kon Knueppel [Refractor Gold] #FS-KK 2025 Topps Chrome Future Stars Autograph card](https://i.ebayimg.com/images/g/8mIAAeSw2DJqiwdY/s-l500.jpg)
![Cooper Flagg [Refractor Black] #FS-CF 2025 Topps Chrome Future Stars Autograph card](https://i.ebayimg.com/images/g/sTUAAeSwAxtp4eHr/s-l500.jpg)
![Kon Knueppel [Refractor Black] #FS-KK 2025 Topps Chrome Future Stars Autograph card](https://i.ebayimg.com/images/g/S2QAAeSwseNqdKII/s-l500.jpg)
![Cooper Flagg [Refractor Orange] #FS-CF 2025 Topps Chrome Future Stars Autograph card](https://i.ebayimg.com/images/g/cE8AAeSwB7tqfeBw/s-l500.jpg)
Grading Kon Knueppel [Refractor Purple] #FS-KK — FAQ
Is Kon Knueppel [Refractor Purple] #FS-KK worth grading?
A PSA 10 Kon Knueppel [Refractor Purple] #FS-KK sells for $2,000 against $409 raw: a $1,591 spread, 4.9× the ungraded price. Even a PSA 9 ($632) 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 [Refractor Purple] #FS-KK worth compared with raw?
A PSA 10 Kon Knueppel [Refractor Purple] #FS-KK (Basketball Cards 2025 Topps Chrome Future Stars Autograph) sells for about $2,000 versus $409 for a raw near-mint copy — a 4.9× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Refractor Purple] #FS-KK?
By resale value, BGS 10 leads at $2,600, ahead of PSA 10 at $2,000. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Refractor Purple] #FS-KK 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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