Official "Intercollegiate 100" basketball sports thirteen signatures penned by members of the 1959 NBA Champion Boston Celtics. Vintage blue and black ink signatures include: Red Auerbach, Bill Russell, Sam Jones, Bob Cousy, Bill Sharman, Tom Heinsohn, Jim Loscutoff, Gene Conley, Frank Ramsey, K.C. Jones, Bennie Swain (light), Lou Tsioropoulos, and more. NM (unless noted) signatures on a NM ball. Team signed basketballs from this era are tough to come by.