Ja'Marr Chase Autographed/Signed College Style White XL Jersey BAS 40267 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 LSU Tigers white autographed Nike jersey that was personally autographed by Ja'Marr Chase. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.