Custom on-field style jersey. Everything is sewn on, size XL. Hand-signed and inscribed in black felt-tip pen by Ron Darling (New York Mets, Oakland Athletics). The lot / autograph(s) includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes. The signing of this item was witnessed by JSA. The signing was witnessed by JSA.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.