Michael J. Fox Autographed Back to the Future Part II Hoverboard Personally hand signed by Michael J. Fox; In stock and ready to ship. Includes Celebrity Authentics Certificate of Authenticity featuring picture of Michael signing the hoverboard. Certified by Celebrity Authentics, the world's leading source for genuine celebrity autographed memorabilia with every signature being personally witnessed by a Celebrity Authentics representative, cataloged into our on-line database (providing signing date, location and picture of the talent signing the item). It is then affixed with its own unique, serial-numbered authentication hologram that guarantees the item for life. Certificate of Authenticity is included with every item, featuring a picture of the talent signing. This complete authentication process not only ensures uncompromised authenticity but also creates a timeless collectible with investment value.