Jack Campbell, star linebacker for the Detroit Lions, has hand signed this Lions Riddell Speed mini helmet at a private signing. This item comes with a serial-numbered hologram from Fanatics Authentic, one of the leaders in the industry. The authenticity can be verified online by entering the serial-number. A Fanatics Authentic information card is also included.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction.