USA ½ Dollar Oregon 1926 S Trail Memorial. San Francisco. Averse: A covered wagon drawn by two oxen moving west; towards the setting sun. Lettering: IN GOD WE TRUST OREGON TRAIL MEMORIAL 1926. Reverse: Full figure of a Native American in headdress. He stands before a map of the United States with the Oregon Trail marked; with his left hand outstretched to the east and a bow in his right hand spanning the continent. Lettering: UNITED STATES OF AMERICA HALF DOLLAR. Edge Reeded. KM 159