Dean Karnazes 2008 Allen & Ginter A&G #268 Trading Card Marathon 26056 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is the exact item that you will receive so please see pictures for condition. This is a 2008 Allen & Ginter marathon trading card that was personally autographed by Dean Karnazes. Includes a certificate of authenticity from Denver Autographs.