This Los Angeles Angels batting helmet has been personally hand-signed by Mike Trout with the inscription "209 AL MVP." It has been obtained under the auspices of the Major League Baseball Authentication Program and can be verified by its numbered hologram at MLB.com. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. 100% Guaranteed Authentic. Perfect Collector's Item. Includes certificate of authenticity and hologram! Trout's signature is guaranteed authentic through the MLB.com Authentication system.