Is Kon Knueppel [Aqua] #TC-KK worth grading?
Basketball · Basketball Cards 2025 Topps 1980 Chrome · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel [Aqua] #TC-KK sells for $1,088 against $257 raw: a $831 spread, 4.2× the ungraded price. Even a PSA 9 ($300) 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)
- $257
- PSA 10
- $1,088
- PSA 9
- $300
- Gem premium
- 4.2×
- 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 | $1,088 | +$806 | +$781 | +$681 |
| PSA 9 | $300 | +$17.95 | −$7.05 | −$107 |
| PSA 8 | $125 | −$157 | −$182 | −$282 |
Net = sale price − $257 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% | $497 | +$190 |
| 50% | $694 | +$387 |
| 75% | $891 | +$584 |
Break-even gem rate at the standard fee: about 1%. 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 | $1,414 | best | 55/45 | 70/30 |
| PSA 10 | $1,088 | −$326 | 55/45 | 75/25 |
| CGC 10 | $653 | −$761 | 55/45 | 75/25 |
| SGC 10 | $653 | −$761 | 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 →
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2025 Topps 1980 Chrome cards worth checking
Full set checklist →![Cooper Flagg [Blue] #TC-CF 2025 Topps 1980 Chrome card](https://i.ebayimg.com/images/g/KTIAAeSweLVqnEQy/s-l500.jpg)
![Kon Knueppel [Gold] #TC-KK 2025 Topps 1980 Chrome card](https://i.ebayimg.com/images/g/EOwAAeSwQw5qYpwD/s-l500.jpg)
![Cooper Flagg [Orange] #TC-CF 2025 Topps 1980 Chrome card](https://i.ebayimg.com/images/g/0ZkAAeSwvTxqUfUM/s-l500.jpg)
![Cooper Flagg [Gold] #TC-CF 2025 Topps 1980 Chrome card](https://i.ebayimg.com/images/g/pCwAAeSwFbZqntDx/s-l500.jpg)
Grading Kon Knueppel [Aqua] #TC-KK — FAQ
Is Kon Knueppel [Aqua] #TC-KK worth grading?
A PSA 10 Kon Knueppel [Aqua] #TC-KK sells for $1,088 against $257 raw: a $831 spread, 4.2× the ungraded price. Even a PSA 9 ($300) 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 [Aqua] #TC-KK worth compared with raw?
A PSA 10 Kon Knueppel [Aqua] #TC-KK (Basketball Cards 2025 Topps 1980 Chrome) sells for about $1,088 versus $257 for a raw near-mint copy — a 4.2× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Aqua] #TC-KK?
By resale value, BGS 10 leads at $1,414, ahead of PSA 10 at $1,088. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Aqua] #TC-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.
What gem rate makes grading Kon Knueppel [Aqua] #TC-KK break even?
At a standard ~$50 fee, submitting Kon Knueppel [Aqua] #TC-KK breaks even when it gems about 1% of the time (a miss assumed to sell at the PSA 9 price of $300).
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