Henry Winkler Autographed/Signed Happy Days 16x20 Photo Beckett 40561 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 Happy Days 16x20 photo that was personally autographed by Henry Winkler with inscription "The Fonz". Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.