![Kon Knueppel / Cooper Flagg [Black] #152 Basketball Cards 2025 Topps Now trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/pJQAAeSw1ClqAljb/s-l1600.jpg)
Kon Knueppel / Cooper Flagg [Black] #152 Price Guide
Basketball · Basketball Cards 2025 Topps Now
Kon Knueppel / Cooper Flagg [Black] #152 (Basketball Cards 2025 Topps Now) is currently worth $800 raw (near mint) and $2,826 in PSA 10 (as of Sep 3, 2026). Values come from the PriceCharting price guide and are refreshed weekly. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
Current prices
Raw (ungraded)
| Ungraded | $800 |
Graded — grade ladder
Swipe the table for the other grading companies →
Last updated 2026-09-03 · Source: the PriceCharting price guide
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
Is it worth grading?
Worth grading — even a PSA 9 beats raw
A PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 sells for $2,826 against $800 raw: a $2,026 spread, 3.5× the ungraded price. Even a PSA 9 ($1,134) 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.
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
More from 2025 Topps Now
Full set checklist →![Kon Knueppel / Cooper Flagg [FoilFractor] #152 2025 Topps Now card](https://i.ebayimg.com/images/g/SWMAAeSw-g1pzir9/s-l500.jpg)
![Kon Knueppel / Cooper Flagg [Orange] #152 2025 Topps Now card](https://i.ebayimg.com/images/g/I1IAAeSwGgVqA1ze/s-l500.jpg)
![Cooper Flagg [Red] #D1 2025 Topps Now card](https://i.ebayimg.com/images/g/-EgAAeSwX6tpvG9G/s-l500.jpg)
![Cooper Flagg [Red] #6 2025 Topps Now card](https://i.ebayimg.com/images/g/1fMAAeSwsvBqMCns/s-l500.jpg)
![Cooper Flagg / Kon Knueppel [Red] #CFKK 2025 Topps Now card](https://i.ebayimg.com/images/g/JvIAAeSwi55qg7Bi/s-l500.jpg)
![Cooper Flagg / Kon Knueppel [Gold] #73 2025 Topps Now card](https://i.ebayimg.com/images/g/YVcAAeSwTy5qaVy7/s-l500.jpg)
More Kon Knueppel / Cooper Flagg cards
All Kon Knueppel / Cooper Flagg cards →![Kon Knueppel / Cooper Flagg [Gold] #152 2025 Topps Now card](https://i.ebayimg.com/images/g/bKcAAeSw61RqkZku/s-l500.jpg)
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.
Price alert
Watching this card? Set a line and Midpoint tells you the day the market crosses it — waiting to buy the dip or sell the spike.
Kon Knueppel / Cooper Flagg [Black] #152 — frequently asked
How much is Kon Knueppel / Cooper Flagg [Black] #152 (Basketball Cards 2025 Topps Now) worth?
As of Sep 3, 2026, Kon Knueppel / Cooper Flagg [Black] #152 (Basketball Cards 2025 Topps Now): an ungraded near-mint copy sells for about $800, a PSA 10 sells for about $2,826, a PSA 9 for about $1,134. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 worth?
As of Sep 3, 2026, a PSA 10 (Gem Mint) Kon Knueppel / Cooper Flagg [Black] #152 (Basketball Cards 2025 Topps Now) sells for about $2,826, compared with $800 for a raw near-mint copy.
Is Kon Knueppel / Cooper Flagg [Black] #152 worth grading?
A PSA 10 Kon Knueppel / Cooper Flagg [Black] #152 sells for $2,826 against $800 raw: a $2,026 spread, 3.5× the ungraded price. Even a PSA 9 ($1,134) 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.
Where do these Basketball card prices come from?
Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.