This New England Patriots Lunar Eclipse mini speed helmet has been personally hand-signed by Tom Brady. 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.This helmet has to be seen to be believed. The custom drip affect is amazing.