New England Patriots full-size authentic on-field speed helmet. Hand-signed in black felt-tip pen by Tom Brady. This New England Patriots Riddell Pro Line authentic speed helmet has been personally hand-signed by quarterback Tom Brady. It is officially licensed by the National Football League and comes with an individually numbered, tamper evident hologram from TriStar Authenticated. 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.