Dikembe Mutombo Autographed Denver Nuggets Basketball Beckett 36898 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 basketball that was personally autographed by Dikembe Mutombo. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.