Eric Dickerson Signed 2002 Gridiron Kings #157 Trading Card HOF Beckett Slab 39202 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 trading card that was personally autographed by Eric Dickerson. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.