Ketel Marte; All-Star second baseman for the Arizona Diamondbacks; has hand signed this black Rawlings Big Stick Bat at a private signing. He included the inscription "Vamos Serpientes" with his signature. This item comes with a serial-numbered hologram from MLB Authentication. The authenticity can be verified online by entering the serial number.Item pictured may not be the exact item you will receive. It will be similar quality; and we guarantee your satisfaction.