This NBA Spalding I/O basketball is a must-have for fans of the Philadelphia 76ers and basketball legend Billy Cunningham. The ball features Cunningham's authentic signature, verified by Professional Sports Authenticator (PSA). This original and genuine product is perfect for any basketball fan or collector and is sure to be a prized possession. Whether you're a die-hard Philly fan or just appreciate the history of the game, this signed basketball is the ultimate addition to your memorabilia collection.