Nikola Jokic Autographed/Signed Denver Nuggets 16x20 Photo JSA 40573 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 Denver Nuggets 16x20 photo that was personally autographed by Nikola Jokic. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.