![Kon Knueppel [Green Refractor] #TAIR-KK (Basketball Cards 2025 Topps Chrome Autograph Issue Rookie) — is it worth grading?](https://i.ebayimg.com/images/g/j-YAAeSw6wpqYTBH/s-l1600.jpg)
Is Kon Knueppel [Green Refractor] #TAIR-KK worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Autograph Issue Rookie · full price guide →
Worth grading only if it gems
A PSA 10 Kon Knueppel [Green Refractor] #TAIR-KK brings $1,515 versus $1,256 raw — a $259 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($778) sells for less than raw, so anything short of a 10 loses money.
- Raw (NM)
- $1,256
- PSA 10
- $1,515
- PSA 9
- $778
- Gem premium
- 1.2×
- 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 | $1,515 | +$234 | +$209 | +$109 |
| PSA 9 | $778 | −$503 | −$528 | −$628 |
| PSA 8 | $707 | −$574 | −$599 | −$699 |
Net = sale price − $1,256 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% | $962 | −$344 |
| 50% | $1,147 | −$160 |
| 75% | $1,331 | +$24.75 |
Break-even gem rate at the standard fee: about 72%. 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 | $1,970 | best | 55/45 | 70/30 |
| PSA 10 | $1,515 | −$455 | 55/45 | 75/25 |
| CGC 10 | $909 | −$1,061 | 55/45 | 75/25 |
| SGC 10 | $909 | −$1,061 | 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 Chrome Autograph Issue Rookie cards worth checking
Full set checklist →![Kon Knueppel [Gold Refractor] #TAUR2-KK 2025 Topps Chrome Autograph Issue Rookie card](https://i.ebayimg.com/images/g/E3wAAeSw1WNqnyMG/s-l500.jpg)
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![Kon Knueppel [Gold Refractor] #TAIR-KK 2025 Topps Chrome Autograph Issue Rookie card](https://i.ebayimg.com/images/g/ohwAAeSw7udqJ2p1/s-l500.jpg)
![Cooper Flagg [Blue Refractor] #TAIR-CF 2025 Topps Chrome Autograph Issue Rookie card](https://i.ebayimg.com/images/g/HNMAAeSwvEZqi8iz/s-l500.jpg)
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Grading Kon Knueppel [Green Refractor] #TAIR-KK — FAQ
Is Kon Knueppel [Green Refractor] #TAIR-KK worth grading?
A PSA 10 Kon Knueppel [Green Refractor] #TAIR-KK brings $1,515 versus $1,256 raw — a $259 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($778) sells for less than raw, so anything short of a 10 loses money.
How much is a PSA 10 Kon Knueppel [Green Refractor] #TAIR-KK worth compared with raw?
A PSA 10 Kon Knueppel [Green Refractor] #TAIR-KK (Basketball Cards 2025 Topps Chrome Autograph Issue Rookie) sells for about $1,515 versus $1,256 for a raw near-mint copy — a 1.2× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Green Refractor] #TAIR-KK?
By resale value, BGS 10 leads at $1,970, ahead of PSA 10 at $1,515. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Green Refractor] #TAIR-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 [Green Refractor] #TAIR-KK break even?
At a standard ~$50 fee, submitting Kon Knueppel [Green Refractor] #TAIR-KK breaks even when it gems about 72% of the time (a miss assumed to sell at the PSA 9 price of $778).
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