Topps Chrome · 2025
The Kon Knueppel (#254, Topps Chrome, 2025) is a base Basketball card. Across 3 ZeroPop community scans it averages a 9.2/10 grade (MINT), with 33% grading Gem Mint 9.5 or higher. Its current raw market value is about $8.
Real community scans of the Kon Knueppel, graded across the scale, with the typical value at each tier.
A raw Kon Knueppel sells for about $8. Community scans grading 9.5 are worth roughly $18, about 2.2× the raw price. Whether a submission pays off depends on the grade your copy would actually get.
Community average: 9.2 (MINT) · based on 3 ZeroPop scans
A raw (ungraded) Kon Knueppel from Topps Chrome currently carries a market value of about $8. Graded copies sell for more. The value ladder on this page shows the estimated price at each grade.
Across 3 community scans on ZeroPop, the Kon Knueppel averages a 9.2/10 overall grade. 33% reach Gem Mint (9.5+). Sub-grade averages: corners 9.2, edges 9.3, surface 9.3, centering 8.8.
The most frequently flagged condition issues on scanned Kon Knueppel cards are Whitening (Front) (33% of scans).
Whether the Kon Knueppel is worth submitting depends on its raw value versus its graded value and your predicted grade. ZeroPop scans the card, predicts a PSA/BGS/CGC grade, and runs the break-even math before you pay submission fees.
Get instant sub-grades, a PSA/BGS/CGC estimate, and the slab-or-sell ROI math before you submit. Free on iOS.