Collection of 13 Rawlings, Wilson and MacGregor baseballs, each team-signed in blue or black ballpoint by the Triple-A Columbus Clippers of the International League for the years 1980, 1983-1989, 1991, 1992, 1994-1996. The Clippers have been affiliated with the NY Yankees since 1979 and with the Washington Nationals starting in 2007. Each ball bears at least 15 signatures, highlights include Dave Righetti, Dennis Rasmussen and Jorge Posada, please call for a complete inventory. The balls are clean with occasional toning, signatures average a grade of 8.