John Riggins Autographed Super Bowl XVII Ticket SB MVP Beckett Slab 38617 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is the exact item that you will receive so please see pictures for condition. This is a Super Bowl XVII Ticket that was personally autographed by John Riggins with SB XVII MVP inscription. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.