(Kaiser Wilhelm Erinnerungsmedaille-Zenteneramedaille). A gilt bronze medal, the obverse with a leftward facing bust of Kaiser Wilhelm, inscribed WILHELM DER GROSSE DEUTSCHER KAISER, KOENIG VON PREUSSEN (WILHELM THE GREAT GERMAN KAISER, KING OF PRUSSIA), the reverse inscribed ZUM ANDENKEN AN DEN HUNDERTSTEN GEBURTSTAG DES GROSSEN KAISERS WILHELM I, 1797-22 MAERZ 1897 (IN REMEMBRANCE OF THE ONE HUNDREDTH BIRTHDAY OF WILHELM I), measuring 39 mm in diameter, suspended from a period original ribbon, and in overall extremely fine condition.