George Kittle Signed San Francisco 49ers Pro Spd Flex Helmet Beckett 42382 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 Speed Flex Lunar Full Size Authentic Helmet that was personally autographed by George Kittle. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.