Custom on-field Nike style jersey. Everything is sewn on, size Large Hand-signed by Ryan Mountcastle.The autograph includes an official PSA/DNA hologram and matching COA for authenticity purposes.Authentication: PSA COACustom 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.