The celebrated U.S. $20 gold pieces of 1907-1933 are among the most beautiful coins ever produced. Designed by Augustus Saint-Gaudens, these coins depict a striding Liberty on the obverse and an eagle in flight on the reverse. The 1911-S issues of this magnificent series were struck at the venerable San Francisco Mint, which was one of few buildings to withstand the devastating 1906 San Francisco earthquake and fire.