Product Details The 2015 United States Proof Set contains two cases of 5 coins each and one case of 4 Presidential coins, all from the San Francisco Mint. Set Highlights: This set includes the following coins, all bearing the “S” mint mark of the San Francisco Mint: Lincoln Cent (copper-plated zinc) Jefferson Nickel (cupro-nickel) Roosevelt Dime – 90% silver Kennedy Half Dollar – 90% silver Native American Dollar (manganese-brass clad) Four Presidential $1 Coins (manganese-brass clad): Harry S. Truman Dwight D. Eisenhower John F. Kennedy Lyndon B. Johnson Five America the Beautiful Quarters – 90% silver: Homestead National Monument of America (Nebraska) Kisatchie National Forest (Louisiana) Blue Ridge Parkway (North Carolina) Bombay Hook National Wildlife Refuge (Delaware) Saratoga National Historical Park (New York)
