This 14-piece clad proof set includes the Lincoln cent, Jefferson nickel, Roosevelt dime, five quarter-dollars, Kennedy half dollar, four Presidential dollars and a Sacagawea dollar. Set Highlights: Contains no Precious Metal content. Housed in a U.S. Mint box with a certificate of authenticity. mirrorlike Proof finish adds further beauty with an impressive shine. Presidential dollar coins: James Monroe, John Quincy Adams, Andrew Jackson and Martin Van Buren. State quarters: Alaska, Hawaii, Oklahoma, New Mexico and Arizona. Sovereign coins backed by the U.S. government.