![Kon Knueppel [Gold Refractor] #AC-14 (Basketball Cards 2025 Topps Chrome Activators) — is it worth grading?](https://i.ebayimg.com/images/g/vSkAAeSwUvhqElUN/s-l1600.jpg)
Is Kon Knueppel [Gold Refractor] #AC-14 worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Activators · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel [Gold Refractor] #AC-14 sells for $628 against $141 raw: a $487 spread, 4.4× the ungraded price. Even a PSA 9 ($225) 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)
- $141
- PSA 10
- $628
- PSA 9
- $225
- Gem premium
- 4.4×
- 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 | $628 | +$462 | +$437 | +$337 |
| PSA 9 | $225 | +$58.95 | +$33.95 | −$66.05 |
| PSA 8 | $130 | −$35.63 | −$60.63 | −$161 |
Net = sale price − $141 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% | $326 | +$135 |
| 50% | $426 | +$235 |
| 75% | $527 | +$336 |
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 | $816 | best | 55/45 | 70/30 |
| PSA 10 | $628 | −$188 | 55/45 | 75/25 |
| CGC 10 | $377 | −$439 | 55/45 | 75/25 |
| SGC 10 | $377 | −$439 | 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.
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![Kon Knueppel [Pulsar Refractor] #AC-14 2025 Topps Chrome Activators card](https://i.ebayimg.com/images/g/rM0AAeSwQOlqdJuo/s-l500.jpg)
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Grading Kon Knueppel [Gold Refractor] #AC-14 — FAQ
Is Kon Knueppel [Gold Refractor] #AC-14 worth grading?
A PSA 10 Kon Knueppel [Gold Refractor] #AC-14 sells for $628 against $141 raw: a $487 spread, 4.4× the ungraded price. Even a PSA 9 ($225) 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] #AC-14 worth compared with raw?
A PSA 10 Kon Knueppel [Gold Refractor] #AC-14 (Basketball Cards 2025 Topps Chrome Activators) sells for about $628 versus $141 for a raw near-mint copy — a 4.4× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Gold Refractor] #AC-14?
By resale value, BGS 10 leads at $816, ahead of PSA 10 at $628. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Gold Refractor] #AC-14 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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