Jon Koncak

Jon Koncak's Basketball cards are available in at least 4 sets. Jon Koncak's biggest 7-day price movers are 1993 Fleer #6 Base, 1990 Fleer Update #U-1 Base, and 1993 Fleer NBA Jam Session #7 Base.

The biggest 30-day change Jon Koncak cards are 1993 Fleer #6 Base, 1990 Fleer Update #U-1 Base, and 1993 Fleer NBA Jam Session #7 Base.

Sports Card Investor is currently tracking 4 Jon Koncak cards.