?This authentic Salute To Service (STS) Speed Flex helmet has been personally hand-signed by Joe Montana with the added inscription "4-0 Super Bowl Record." This helmet is limited to just 25 and you are bidding on number "1" from the edition.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.