Marked: J? possibly a maker’s mark, Small Silver Articles 1872-1922, Austro-Hungary, Hungary used this mark until 1937). Hungary continued to use silver standard hallmarks. Probably made in Wien/Vienna. Metal is 750 Silver in German “ER SEI DEIN GLÜCKSSTERN” or “He Be Your Lucky Star.” Back engraved: M. Erzensdorf (Maria Enzersdorf is a town in Austria. Total height: 1.04 inches Length: 0.73 inch Weight: 2.12 grams Condition: light wear on the enamel. My jeweler added a sterling silver jump ring. Antique 750 Silver Enamel Er Sei Dein Glucksstern Glück He Be Your Lucky Star Austro-Hungary Hungary Austrian Charm Pendant