This Mark Prior Chicago Cubs 2005 Diamond Kings card is a highly sought-after item with a numbered 48, hard-signed autograph, and official Beckett Authentication certification. Made of top-quality card stock and featuring the player in his uniform, this card is a standard size and part of the 2005 Donruss Diamond Kings set. It is a valuable addition to any sports trading card collection and an essential piece for fans of Mark Prior or the Chicago Cubs. The BAS certificate number is 00016507854 and the autograph is authenticated in blue Sharpie. The Experts at Beckett Authentication Services (BAS) have encapsulated and verified this signature.