The product is an 11 x 14 photo of Julius Erving, commonly known as "Dr. J," signed by the legendary basketball player. The signature has been authenticated by Beckett Certificate of Authenticity (COA) and BAS (Beckett Authentication Services) Champion, ensuring its authenticity. This unique item is a must-have for fans of basketball and collectors of sports memorabilia, adding a touch of history and nostalgia to any collection.