Mike Alstott Signed Tampa Bay Bucs 1996 Pinnacle #158 Beckett Auto 10 40716 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 1996 Pinnacle #158 trading card that was personally autographed by Mike Alstott. This was professionally authenticated and slabbed by Beckett Authentication Services (BAS), also includes a certificate of authenticity from Denver Autographs.