The product is a 2018-19 Panini Prizm Rookie Signatures autographed trading card featuring Robert Williams III of the Boston Celtics. This card is part of the Rookie Signatures insert set and is authenticated by Panini Authentic. The autograph is in the form of a label or sticker on the standard-sized card stock. This collectible item is an original release for the National Basketball Association (NBA) season. It is a valuable addition to any basketball card collection, especially for fans of the Boston Celtics or Robert Williams III.