This Los Angeles Chargers Speed Flex authentic Riddell helmet has been personally hand-signed by Justin Herbert. 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. Included with this helmet is a custom visor that accentuates Herbert and the Los Angeles Chargers. The autograph includes an official Fanatics hologram and matching COA for authenticity purposes. Comes with a tamper-evident hologram from Fanatics Authenticated. Officially licensed by the NFL. Includes certificate of authenticity and hologram! Herbert’s signature is guaranteed authentic through the Fanatics Authentic serial numbered hologram system.