The 1999 Topps Traded and Rookies Factory Sealed Box Set +1 Autograph is a highly collectible sports trading card set featuring baseball players from the Major League Baseball (MLB). This factory-sealed box set includes 121 standard-sized cards, with 1 autographed card included. The set includes notable players like A.J. Burnett, David Wells, Mark Mulder, and more. It is a must-have for collectors looking to add rookie cards from the 1999 season to their collection.