The 2026 Topps Collector Kit Exclusive #NBA-6 Cooper Flagg Foil Holo Mavs RC Rookie card is a highly sought-after sports trading card featuring basketball player Cooper Flagg from the Dallas Mavericks. This exclusive card is part of the 2026 Topps Collector Kit set and is manufactured on 20 Pt. card stock with a foil holo design. It is not autographed but is authenticated by Topps, making it a valuable addition to any basketball card collection.