Offered here is an incredible Spalding Official Game Ball with the David J. Stern stamp that has been signed by 40 of the Top 50 Greatest Players in NBA history. All of the signatures have been signed in black marker and include Michael Jordan, Kareem Abdul-Jabbar, Bill Russell, Wilt Chamberlain, Larry Bird, Magic Johnson, Julius Erving, Hakeem Olajuwon, Karl Malone, Elgin Baylor, Wes Unseld, Nate Archibald, Bob Pettit, Dolph Schayes, Clyde Drexler, Willis Reed, George Mikan, George Gervin, Bill Sharman, John Havlicek, James Worthy, Isiah Thomas, Dave DeBusschere, Elvin Hayes, Earl Monroe, Rick Barry, Bill Walton, Kevin McHale, Robert Parish, Nate Thurmond, Paul Arizin, Bill Bradley, Bob Cousy, Jerry Lucas, Dave Cowens and five others. This comes with a LOA from PSA/DNA (T00483) and a LOA from JSA (X91140), plus a STICKER ONLY from Upper Deck Authenticated (SHO11565).