Is Kon Knueppel [Refractor] #GT-19 worth grading?
Basketball · Basketball Cards 2025 Topps Chrome Go Time · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel [Refractor] #GT-19 sells for $105 against $13.12 raw: a $91.68 spread, 8.0× the ungraded price. Even a PSA 9 ($47.06) 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)
- $13.12
- PSA 10
- $105
- PSA 9
- $47.06
- Gem premium
- 8.0×
- 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 | $105 | +$66.68 | +$41.68 | −$58.32 |
| PSA 9 | $47.06 | +$8.94 | −$16.06 | −$116 |
| PSA 8 | $16.83 | −$21.29 | −$46.29 | −$146 |
Net = sale price − $13.12 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% | $61.50 | −$1.62 |
| 50% | $75.93 | +$12.81 |
| 75% | $90.36 | +$27.24 |
Break-even gem rate at the standard fee: about 28%. 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 | $136 | best | 55/45 | 70/30 |
| PSA 10 | $105 | −$31.20 | 55/45 | 75/25 |
| SGC 10 | $63.00 | −$73.00 | 55/45 | 75/25 |
| CGC 10 | $39.99 | −$96.01 | 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 Go Time cards worth checking
Full set checklist →![Kon Knueppel [Pulsar Refractor] #GT-19 2025 Topps Chrome Go Time card](https://i.ebayimg.com/images/g/f7gAAeSwBP5p0qYf/s-l500.jpg)
![Dylan Harper [Green Refractor] #GT-17 2025 Topps Chrome Go Time card](https://i.ebayimg.com/images/g/4gIAAeSweq9pUocW/s-l500.jpg)
![Cooper Flagg [Blue Refractor] #GT-16 2025 Topps Chrome Go Time card](https://i.ebayimg.com/images/g/9tEAAeSw9Npp7Pur/s-l500.jpg)
![Cooper Flagg [Gold Refractor] #GT-16 2025 Topps Chrome Go Time card](https://i.ebayimg.com/images/g/W2wAAeSwPABqDl9q/s-l500.jpg)
![Cooper Flagg [Orange Refractor] #GT-16 2025 Topps Chrome Go Time card](https://i.ebayimg.com/images/g/bp8AAeSw3T9qglYA/s-l500.jpg)
Grading Kon Knueppel [Refractor] #GT-19 — FAQ
Is Kon Knueppel [Refractor] #GT-19 worth grading?
A PSA 10 Kon Knueppel [Refractor] #GT-19 sells for $105 against $13.12 raw: a $91.68 spread, 8.0× the ungraded price. Even a PSA 9 ($47.06) 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] #GT-19 worth compared with raw?
A PSA 10 Kon Knueppel [Refractor] #GT-19 (Basketball Cards 2025 Topps Chrome Go Time) sells for about $105 versus $13.12 for a raw near-mint copy — a 8.0× premium as of Sep 4, 2026.
Which grading company is best for Kon Knueppel [Refractor] #GT-19?
By resale value, BGS 10 leads at $136, ahead of PSA 10 at $105. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kon Knueppel [Refractor] #GT-19 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 [Refractor] #GT-19 break even?
At a standard ~$50 fee, submitting Kon Knueppel [Refractor] #GT-19 breaks even when it gems about 28% of the time (a miss assumed to sell at the PSA 9 price of $47.06).
Best on iPhone & Android
Check your basketball card in the Midpoint app
Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.
