Brandon Adams Signed Card The Sandlot 20 Anniv. Beckett 10 Auto 40731 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 2013 20th Anniversary Sandlot Movie Insert trading card that was personally autographed by Brandon Adams. This was professionally authenticated and slabbed by Beckett Authentication Services (BAS), also includes a certificate of authenticity from Denver Autographs.