Nick Chubb Autographed/Signed Cleveland Browns Lunar Mini Helmet BAS 34665 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 Cleveland Browns lunar mini helmet that was personally autographed by Nick Chubb. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.