The Walking Liberty half dollar was a silver 50-cent piece or half dollar coin issued by the United States Mint from 1916 to 1947; it was designed by Adolph A. Weinman. In 1915, the new Mint Director, Robert W. Woolley, came to believe that he was not only allowed but required by law to replace coin designs that had been in use for 25 years. He therefore began the process of replacing the Barber coinage: dimes, quarters and half dollars, all bearing similar designs by long-time Mint Engraver Charles E. Barber, and first struck in 1892. Woolley had the Commission of Fine Arts conduct a competition, as a result of which Weinman was selected to design the dime and half dollar.