Adrian Peterson Signed 12/24/2012 Sports Illustrated Magazine No Label BAS 38910 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a Sports Illustrated magazine issue from December 24, 2012 that was personally autographed by Adrian Peterson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.