The product is a signed rubber flat basketball coaster featuring the signature of basketball coach and former NBA player, Lenny Wilkens. The signature is 100% guaranteed to pass any third party authentication such as PSA, JSA and Beckett.This original autographed coaster would make a unique and collectible item for fans of basketball, specifically those who follow the Seattle SuperSonics or Cleveland Cavaliers. The signature adds a personal touch to the product, making it a special piece for any basketball memorabilia collection.