This mini helmet has been personally hand-signed by David Johnson. It is officially licensed by the National Football League and comes with an individually numbered, tamper-evident hologram from Fanatics 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. The deluxe antique mahogany logo mini helmet display case features a 1/8" thick clear acrylic removable lid with a sublimated image of the player. It also comes with antique mahogany finished base that has a mirrored bottom. Measures 8 7/8" x 7" x 7 1/8". It is officially licensed by the National Football League.