Official government-issued U.S. Mint Sets include an example of every circulating coin for that year. Sets from 1973 to 1978 include the Eisenhower Dollar, sets from 1979 to 1981 include the Susan B. Anthony Dollar, and sets from 2000 to 2008 include the Sacagawea Dollar. Plus, the 1975 and 1976 Sets contain 25 cent, 50 cent and $1 Bicentennial designs, and sets from 1999 to 2010 include State or Territorial Quarters. Mint Sets were not produced in 1982 and 1983.