John Riggins Signed Washington Redskins AMP Mini Helmet Beckett 43019 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 Washington Redskins AMP Mini Helmet that was personally autographed by John Riggins. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.