Stefon Diggs Signed 2015 Topps Chrome #148 Trading Card Beckett 38687 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 slabbed 2015 Topps Chrome #148 Trading Card that was personally autographed by Stefon Diggs. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.