![Kon Knueppel [Gold Refractor] #TAIR-KK (Basketball Cards 2025 Topps Chrome Autograph Issue Rookie) — is it worth grading?](https://i.ebayimg.com/images/g/ohwAAeSw7udqJ2p1/s-l1600.jpg)
Is Kon Knueppel [Gold Refractor] #TAIR-KK worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Autograph Issue Rookie · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel [Gold Refractor] #TAIR-KK sells for $5,700 against $1,762 raw: a $3,938 spread, 3.2× the ungraded price. Even a PSA 9 ($2,258) 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)
- $1,762
- PSA 10
- $5,700
- PSA 9
- $2,258
- Gem premium
- 3.2×
- 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 | $5,700 | +$3,913 | +$3,888 | +$3,788 |
| PSA 9 | $2,258 | +$471 | +$446 | +$346 |
| PSA 8 | $1,559 | −$228 | −$253 | −$353 |
Net = sale price − $1,762 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% | $3,118 | +$1,307 |
| 50% | $3,979 | +$2,167 |
| 75% | $4,839 | +$3,028 |
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 | $7,410 | best | 55/45 | 70/30 |
| PSA 10 | $5,700 | −$1,710 | 55/45 | 75/25 |
| CGC 10 | $3,420 | −$3,990 | 55/45 | 75/25 |
| SGC 10 | $3,420 | −$3,990 | 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.
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![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 [Gold Refractor] #TAIR-KK — FAQ
Is Kon Knueppel [Gold Refractor] #TAIR-KK worth grading?
A PSA 10 Kon Knueppel [Gold Refractor] #TAIR-KK sells for $5,700 against $1,762 raw: a $3,938 spread, 3.2× the ungraded price. Even a PSA 9 ($2,258) 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 [Gold Refractor] #TAIR-KK worth compared with raw?
A PSA 10 Kon Knueppel [Gold Refractor] #TAIR-KK (Basketball Cards 2025 Topps Chrome Autograph Issue Rookie) sells for about $5,700 versus $1,762 for a raw near-mint copy — a 3.2× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Gold Refractor] #TAIR-KK?
By resale value, BGS 10 leads at $7,410, ahead of PSA 10 at $5,700. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Gold 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.
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