Calvin Johnson Autographed Detroit Lions RETRO Speed Mini Helmet Beckett Witnessed This Autographed Detroit Lions RETRO Speed Mini Helmet Beckett Witnessed has been personally hand-signed by Calvin Johnson. It is officially licensed by the National Football League and comes with an individually numbered; tamper-evident hologram from Beckett. 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. Comes with a tamper-evident hologram from Beckett Officially licensed by the NFL Authenticator Pre-Certified Authenticator: Beckett Authenticated History of item: Calvin Johnson has signed this item in the presence of a representative from Beckett. Describe how you came to possess this item: