This is a Full Size Bat that Miguel signed at our private signing. We show a picture of Miguel from our signing, you will also receive this proof picture. This item comes with a JSA SIGNATURE DEBUT COA. A Signature Debut COA is very unique, it guarantees that the item was signed and authenticated prior to the players 1st game of his second season. Having a debut signature of a player should make your collection very unique. JSA is a leading authenticator in our industry!