This soccer ball was used and personally hand-signed by Haris Medunjanin (2x), Ilsinho, Borek Dockal, Jay Simpson Raymon Gaddis, Keegan Rosenberry, Auston Trusty, Cory Burke from the 2018 MLS Season. It comes with a certificate of authenticity from the Philadelphia Union. To ensure authenticity, the certificate can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. Fanatics Authentic 793391118521