This match used soccer ball was personally hand-signed by Zack Steffen, Pedro Santos, Artur, Gyasi Zardes, Milton Valenzuela, Jon Kempin, Justin Meram. It is officially licensed by the MLS and comes with a certificate of authenticity and hologram from Fanatics Authentic along with a JSA certification. To ensure authenticity, the item can be verified online using the Certificate of Authenticity's unique alpha-numeric code. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. Fanatics Authentic 793391077156