This highly collectible trading card has been personally hand-signed by Mariano Rivera with the inscription "LAST TO WEAR 42." The card is then encapsulated in a tamper proof acrylic case which also includes a Fanatics Authentic ID tag and hologram to guarantee the authenticity of the item. It is officially licensed by Major League Baseball. This will make a great addition to the collection of any true sports fan. Please note that autographs may vary.