Jack Flaherty Autographed MLB Baseball Cardinals Fanatics 41066 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 official major league baseball that was personally autographed by Jack Flaherty. This item includes a Fanatics Authentic hologram and a certificate of authenticity from Denver Autographs.