The 2025 Bowman Chrome Prospect Autographs Warren Calcano 1st Bowman Auto is a highly sought-after sports trading card featuring an autograph from Warren Calcano, a player from the Kansas City Royals. This card, part of the 2025 Bowman Chrome set, is a hard-signed autograph on a standard-sized card made of 35 Pt. card stock. Authenticated by Bowman, this rookie card is sure to be a valuable addition to any baseball card collection, especially for fans of the MLB World Series and the Major League Baseball (MLB) league.