For the same reason, the dual date was used on the circulating editions of the half dollar and $1 coin, as well. Everything else about the obverse remains unchanged. You'll find the mintmark to the right of Washington's portrait. The national motto "IN GOD WE TRUST" is inscribed to ...
one-quarter of a dollar. It has a diameter of 0.955 inch (24.26 mm) and a thickness of 0.069 inch (1.75 mm). The coin sports the profile of George Washington on its obverse, and its reverse design has changed frequently.