John Riggins Autographed Super Bowl XVII Ticket Stub MVP Beckett Slab 35003 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 Super Bowl XVII ticket stub that was personally autographed by John Riggins with SB MVP inscription. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.