This framed 20" x 24" lithograph has been personally hand-signed by Joe Montana, Dan Marino, John Elway and Johnny Unitas. 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. It is framed in black wood. It measures 23.5" x 27.5" x 1" and comes ready to hang in your home or office.