Trevor Story Autographed Colorado Rockies OML Baseball 505' HR Beckett 37309 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 official Major League baseball that was personally autographed by Trevor Story with 505' HR inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.