Mikko Rantanen Autographed Colorado Avalanche Logo Puck Beckett 36927 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 Colorado Avalanche logo hockey puck that was personally autographed by Mikko Rantanen. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.