This rare and valuable baseball trading card features the autograph of Jason Giambi, a former MLB player for the Oakland Athletics. The card is from the 1999 Bowman's Best set and is signed by the player in permanent ink. It is accompanied by Beckett Authentication Services (BAS) authentication and is protected by a slab. Made of card stock, this officially licensed trading card is a must-have for any collector or fan of baseball and the Athletics. Autographed with Blue Sharpie. Certified and encapsulated by Beckett Authentication Services (BAS) as evidenced by Certificate Number 00016507285.