United States Proof Sets, most in original government packaging, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1960 small date, 1961, 1962, 1963, 1964, 1968 (3), 1969 (5), 1970 (4), 1971 (4), 1972 (5), 1973 (4), 1974 (5), 1975 (5), 1976 (4), 3-piece, 1976 (5), 1977 (3), 1978 (5), 1979 (5), 1980 (10), 1981 (10), perfect for the Proof Set collector (89) (lot)