RECORD SALE: The Kon Knueppel NBA Debut Patch Autograph card has officially sold in our auction for $2,340,000.
This sets the record for the most expensive Kon Knueppel card of all time.
It’s also the seventh NBA card sale over $2 million in 2026.
This sets the record for the most expensive Kon Knueppel card of all time.
It’s also the seventh NBA card sale over $2 million in 2026.
