Custom on-field style jersey. Everything sewn on, size XL. Hand-signed in silver paint pen by Sid Fernandez (New York Mets). The autograph(s) includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes.Authentication: JSA 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.