Yugoslavia, Kingdom. An Army Air Service Pilot Badge, by Kovnica Sorlini, Varazdin

In silver, hallmarked with a rooster inside a pentagon with a "II" (900 silver) and the letter "B", maker marked "KS" (Kovnica Sorlini, Varazdin) and number impressed "1848" on the reverse, measuring 66 mm (w) x 48 mm (h), maker marked "SORLINI VARAZDIN" on the dual screwbacks, light contact and surface wear, very fine.