Custom on-field style jersey. Everything is sewn on; size XL. Hand-signed in silver paint pen by Miguel Montero. Montero's 2016 post season highlights have been custom stitched onto the back of the jersey below the reverse numbers. The 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.Authentication: JSA COA