½ Dollar "1838" (Pattern; Silver) , United States

Obverse: A star containing a shield in the middle, Reverse: Two curved olive branches.

Obverse: A soldier charging up a hill with naval ships in the foreground and two F-86 Sabre jet fighter flying above., Reverse: A map of Korea with the division at the 38th parallel and the Korean Taegeuk symbol, equivalent to the Chinese symbol Taijitu, representing the unity of opposites (the yin and yang). An eagle’s head appears to the right of the map.

Obverse: The portrait in left profile of George Washington, the first President of the United States from 1789 to 1797, is accompanied with the motto "IN GOD WE TRUST" and the lettering "LIBERTY" and it is surrounded with the face value and the inscription "UNITED STATES OF AMERICA", Reverse: Lewis and Clark's historic return to St. Louis down the Missouri River, with the Jefferson National Expansion Memorial (Gateway Arch) in the background.