Davante Adams Autographed Fresno State Speed Mini Helmet JSA Witnessed This Fresno State mini speed helmet has been personally hand-signed by Davante Adams. It comes with an individually numbered; tamper-evident hologram from JSA Authentic. To ensure authenticity; the hologram can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. Authenticator Pre-Certified Authenticator: JSA Authenticated Describe how you came to possess this item: