Rev: Arabic kufic legend, الملك غليوم الثاني (al-malik Ghulyalim al-thani; the King, William the Second); beaded border.
Norman King of Sicily Guglielmo II most commonly refers to William II of Sicily (also known as William II "the Good").
William II, byname William The Good, Italian Guglielmo Il Buono, (born 1154— died Nov. 18, 1189, Palermo, kingdom of Sicily [Italy]), the last Norman king of Sicily; under a regency from 1166, he ruled in person from 1171. He became known as William the Good because of his policy of clemency and justice toward the towns and the barons, in contrast with his father, William I the Bad.