John Elway Autographed Sports Illustrated Magazine 8/15/1983 Beckett 38760 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 Sports Illustrated magazine issue from August 15, 1983 that was personally autographed by John Elway. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.