George Kittle Signed 49ers Authentic Lunar Speed Flex Helmet BAS 36854 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 San Francisco 49ers full size Lunar speed flex helmet that was personally autographed by George Kittle. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.