Travis Kelce Signed Kansas City Chiefs Authentic Lunar Speed Flex Helmet BAS 34459 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 Kansas City Chiefs full size authentic lunar speed flex helmet that was personally autographed by Travis Kelce. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.