Stefon Diggs Signed '15 Topps Chrome #148 Grade 10 Auto Card BAS 42701 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 with a Grade 10 Autograph that was personally autographed by Stefon Diggs. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.