Group of 10 United States Mint Proof Sets 1970-1979 57 coins.. Group of 10 United States Proof Sets 1970-1979 57 coins. 1970-1972 Set contains 5 Proof Coins, the Kennedy Half, Washington Quarter, Roosevelt Dime, Jefferson Nickel, and Lincoln Cent. Some 1971 Proof Sets contain the 1971 “No S” Proof Jefferson Nickel, trend pr69DCAM $3650. These has not been check. 1973-1978 Set cotains a 6th Eisenhower Dollar. A number of 1975 Proof “No S” Roosevelt Dimes were produced, we had not check for this special coins. It is the scarcest of the “No S” Proof Coins and is extremely expensive, trending pr66 at $350,000!!! The 1979 Set replace the Eisenhower Dollar with the Susan B. Anthony Dollar, we had not check for any type in the set, with Type 2 the Susan B. Anthony Dollar being the rarest and carrying the highest premium, trending pr69 $65. Each coin was struck at the San Francisco Mint and carried the “S” mint mark.