The product is an autographed hoverboard from "Back to the Future Part II," signed by Michael J. Fox. The authenticity of the autograph is guaranteed by James Spence (JSA) certification. This unique piece of entertainment memorabilia is an original item from the United States, making it a highly sought-after collectible for fans of the iconic movie franchise. Perfect for any movie enthusiast or collector looking to add a special item to their collection, this signed hoverboard is sure to be a standout piece.