Obverse: The obverse features a portrait of Queen Elizabeth II. To the side, the Queen's name and title ELIZABETH II, the country of origin COOK ISLANDS, and the year of issue 1992 are inscribed. The obverse design was created by Raphael David Maklouf.
Reverse: The reverse depicts Sacagawea leading Lewis and Clark. Above, the inscription 500 YEARS OF AMERICA 1492–1992 is engraved. Below, the coin's denomination 50 DOLLARS is indicated.
Edge of the coin: The edge is inscribed with the text THE LEWIS AND CLARK EXPEDITION.
About the coin: This silver 50-dollar coin is part of the "500 Years of America 1492–1992" series, issued in honor of the American Jubilee.