This autographed jersey has been personally hand-signed by Spencer Rattler of the Oklahoma Sooners. This autograph is certified by PSA/DNA (Professional Sports Authenticators). It comes with the numbered hologram and matching Certificate of Authenticity.Custom on-field style jerseys are a more affordable option for autograph seekers. These jerseys do not have any brand name or tags and are made in the Philippines. They feature stitched on names and numbers and are made to look very similar to the on-field jerseys that the players wear. These custom jerseys are very commonly used in the memorabilia industry.