Image Missing: Hearst Museum object titled Coin: silver 50 cent, accession number 2-57127, described as Columbian Exposition Commemorative Half Dollar silver/copper coin.  Minted in Philadelphia, 1892. Obverse:  UNITED STATES OF AMERICA / COLUMBIAN HALF DOLLAR - Columbus head facing right  Reverse:  WORLD'S COLUMBIAN EXPOSITION CHICAGO 1892 / 1492 - Santa Maria, ship, center, two hemispheres below