Joe Montana Signed San Francisco 49ers Authentic Eclipse Speed Helmet BAS 29880 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a San Francisco 49ers full size authentic Eclipse speed helmet that was personally autographed by Joe Montana with 4x SB Champ inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.