1984 United States Mint Proof Set 5 coins. 1984-S Proof SetProof Set sales declined by almost 400,000 units in 1984, making this set a little more difficult to find.Each set contained five coins: One example each of the Lincoln Cent, Jefferson Nickel, Roosevelt Dime, Washington Quarter, and Kennedy Half Dollar.About the sets: All coins in the 1984-S Proof Set were intended to have a Cameo or Deep Cameo Finish.Mintage: 2,748,430 setsOriginal packaging: The coins of the 1984-S Proof Set were placed in individual holes in a purple-colored, textured paper and cardboard insert, then sealed in a two-piece, clear plastic case. The case was then inserted into a protective outer cover, consisting of purple cardboard, imprinted with the silver words: "United States Proof Set • 1984."