Trevor Siemian Autographed/Signed Denver Broncos 8x10 Photo FAN 34030 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Denver Broncos 8x10 photo that was personally autographed by Trevor Siemian. Includes a Fanatics Authentic hologram and a certificate of authenticity from Denver Autographs.