Kellen Winslow Signed 2005 Topps American #2 (Grade 10) Slabbed BAS 39902 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 Slab Ten Trading Card that was personally autographed by Kellen Winslow. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.