Ja Morant Autographed Memphis Grizzlies Navy Blue Jersey Nike Beckett 40799 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 Memphis Grizzlies Navy Blue Nike Jersey that was personally autographed by Ja Morant. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.