Impressive David Stern NBA basketball signed by the greatest centers to ever take the court. This NM-MT ball features the bold and black signatures of Wilt Chamberlain, Bill Russell, Kareem Abdul Jabbar, George Mikan, Nate Thurmond, Shaquille O'Neal and Alonzo Mourning. Most were obtained in-person by an enthusiastic collector. Ball is also accompanied with the admission ticket used to meet Wilt Chamberlain. Signatures average 9/10 overall. Comes with PSA LOA.