John Lynch Autographed 1993 Upper Deck SP Rookie Card HOF BAS 10 Slab 34466 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 1993 Upper Deck SP trading card that was personally autographed by John Lynch with HOF inscription. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.