This autographed jersey has been personally hand-signed by Otis Sistrunk of the Oakland Raiders. It's an Adult XL in size.This autograph is certified by Beckett Authentication Services (BAS) Certification. It comes with the numbered authentication hologram with a QR code that verifies the authentication on the Beckett website.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.