Several elements make these cards incredibly valuable, and rarity is only part of it. While every Rookie Debut Patch Autograph (RDPA) is a 1-of-1, plenty of 1-of-1 cards haven't driven this level of ...

Victor Wembanyama's autograph is already among the most sought-after in sports memorabilia. Add his signature alien doodle, and its value can climb even higher. Collectors are paying massive premiums ...