Gale Sayers Autographed Sports Illustrated Magazine 9/12/1966 PSA 42446 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is the exact item that you will receive so please see pictures for condition. This is a Sports Illustrated magazine that was personally autographed by Gale Sayers. Includes a certificate of authenticity from Professional Sports Authentication (PSA) and Denver Autographs.