2025 Topps Finest First Insert X-fractor of NBA Rookie of the Year winner Cooper Flagg of the Dallas Mavericks. This card is graded a PSA 10. At the time of listing this is a very low pop count with 1 other gem mint 10 in existence. It is a very difficult card to get a gem with. At the time of listing only 13% of cards that have been submitted to PSA have received a 10 grade.