59 different Kennedy Halves, with some silver, and one proof. * 1967 (40% silver) * 1968 (40% silver) * 1971-P, D 1972-P, D 1973-P, D1974-P, D 1976-P, D, (proof) 1977-P, D 1978-P 1979-P, D 1980-P, D 1981-P, D 1982-P, D 1983-P, D 1984-P, D 1985-P, D 1986-P, D 1988-P, D 1989-P, D 1990-P, D 1991-P, D 1992-P, D 1993-P, D 1994-P, D 1995-P, D 1996-P, D 1997-P, D 1998-P, D 1999-P, D 2000-P, D 2001-P, D2003-D2005-P2009-D2010-P, D