Aaron Nola Autographed Black Baseball Philadelphia Phillies Fanatics 41142 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is the exact item that you will receive so please see pictures for condition. This is a black baseball that was personally autographed by Aaron Nola. This item includes a Fanatics Authentic hologram and a certificate of authenticity from Denver Autographs.