This collection includes 20 individual United States Mint Proof Sets, one from each year from 1970-1989! All come in original government packaging. Proof coins are struck twice using specially prepared dies and planchets delivering coins with mirror-like finishes and exquisite details. Proof coins are struck for collectors and never released into circulation. These U.S. Mint Proof sets from the 70's and 80's include some of America's most collectible coins such as Eisenhower Dollars, Kennedy Half Dollars, Susan B. Anthony Dollars and all three of the dual-dated 1776-1976 Bicentennial Coins. Start or enhance your U.S. Mint Proof Set Collection now!