This is the 1967 U.S. Mint Set. It has 5 coins. Between 1965-1967 the U.S. Mint didn't create Mint or Proof sets, rather it created a hybrid called the Special Mint Set (SMS)
It includes the following coins:
-Lincoln Cent
-Roosevelt Dime
-Kennedy Half Dollar
-Washington Quarter
-Jefferson Nickel
This Mint Set is in its Original Government Packaging (OGP)