An ultra-rare Cooper Flagg rookie trading card has surfaced, and the Dallas Mavericks are reportedly willing to offer a great deal to acquire it. The card is a 1-of-1 Topps release featuring a patch from Flagg's NBA debut game, making it one of the most sought-after items in the trading card market for the 2025 top draft pick.

Trading cards have surged in popularity since the Covid-19 pandemic, when collecting became a popular pastime, and cards tied to high-profile rookies such as Flagg now command significant interest and value. The find has generated excitement among collectors given the card's uniqueness and its direct link to Flagg's first professional appearance.