The Cooper Flag Lot is a collection of standard-sized trading cards featuring basketball players from the National Basketball Association (NBA). Manufactured in 2025 by Topps, these original cards are made of card stock and are not autographed. The autograph of Virgil van Dijk, signed in hard format, is authenticated by Topps. This lot includes cards related to the Dallas Mavericks, specifically tied to the NBA Finals, making it a valuable addition for basketball card collectors and fans of the sport.