This Mark Mulder autographed trading card showcases the encapsulated, slabbed design by Beckett Authentication Services (BAS), making it a valuable addition for any baseball enthusiast. The autograph, personally signed by the former Oakland Athletics player, adds to its rarity and authenticity. Part of the 1999 Just Minors set and a licensed trading card, it is numbered 119 and has an autograph authentication number of 00016502514. This card is a prized gem for fans of Mark Mulder and the Oakland Athletics, with a blue sharpie signature that has been authenticated and encapsulated by the experts at BAS. Certificate number 00016502514 further enhances its value and credibility.