Released on August 4 2003 this is the 24th coin released in the 50 State Quarters Program and the fourth released in 2003. Missouri admitted into the Union on August 10 1821 themed the coin Corps of Discovery. It highlights Lewis and Clarks historic return to St. Louis down the Missouri River with the Jefferson National Expansion Memorial Gateway Arch in the the background. Launched in 1999 the United States Mint s 50 State Quarters Program was a 10-year initiative that honored each of the nation s states in the order that they ratified the Constitution or were admitted into the Union. Each quarter was produced for about 10 weeks and will never be produced again. State designs are displayed on the reverse (tails) of the quarters while the obverse design displays the familiar image of George Washington. But to accommodate state designs on the reverse the words United States of America Quarter Dollar Liberty and In God We Trust all appear on the obverse. Missouri is a state in the Midwestern region of the United States. With more than six million residents it is the 18th-most populous state of the country. The largest urban areas are St. Louis Kansas City Springfield and Columbia; the capital is Jefferson City. The state is the 21st-most extensive in area.