Mark Brunnell Signed 1993 UD SP #91 Rookie Trading Card Beckett Slabbed 39907 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 an Autographed Trading Card by Mark Brunnell. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.