1980-1999

United States #1972 20¢ Maryland Mint Single

United States #1973 20¢ Massachusetts Mint Single

United States #1974 20¢ Michigan Mint Single

United States #1975 20¢ Minnesota Mint Single

United States #1976 20¢ Mississippi Mint Single

United States #1977 20¢ Missouri Mint Single

United States #1978 20¢ Montana Mint Single

United States #1979 20¢ Nebraska Mint Single

United States #1980 20¢ Nevada Mint Single

United States #1981 20¢ New Hampshire Mint Single

United States #1982 20¢ New Jersey Mint Single

United States #1983 20¢ New Mexico Mint Single