Featuring the Best of the Best, this collection of 11 signed basketballs includes NBA 50 Greatest Players and legends: 1) Wilt Chamberlain. 2) Oscar Robertson. 3) Kareem Abdul-Jabbar. 4) George Mikan. 5) Bill Walton. 6) Bob Pettit. 7) Dennis Rodman. 8) Karl Malone. 9) Hakeem Olajuwon. 10) Bill Sharman. 11) Billy Donovan. Robertson has UDA hologram. Sharman, Mikan and Walton inscribed their Hall of Fame induction years. Signatures average 9/10 with a beautiful 10/10 Chamberlain. All on Spalding Official game balls except Mikan and Donovan, with Mikan on Basketball HOF ball and Donovan on Wilson NCAA Official game ball. Balls are MINT except Pettit, which has an indentation on right side.