Ten signed baseballs of Yankee Greats. Five single signed: (2) Paul O'Neill signed "98 World Champs" on 1998 World Series balls, Roger Clemens, Chuck Knoublach, David Wells. Five multi signed with (2) Pettitte, (2) Mattingly, Posada, Boggs and more. Sigs rate 7/10, condition rates EX-MT with light toning on few. Two are not official Rawlings baseballs but rest are.