(24) proof sets including: (3) 1970, (2) 1979, (2) 1980, (7) 1981, 1996, 1997, 1998, 2002, 2003, 2004, 2005, 2006, 2007, 2009; (29) mint sets including: 1972, 1975, 1976, (2) 1978, (9) 1979, (3) 1981, 1998, (2) 2000, (2) 2002, (2) 2003, (2) 2004, (2) 2005 (2) 2006