Hungary, Exhibition of Military Aeronautics, Budapest, 1917, a uniface bronze medal by T. Székely, engineer holding propellor, pilot in German warplane in background, 61mm (BDM VIII, 229; cf. DNW 35, 625); Military Aeronautics, 1917, a uniface bronze medal by T. Székely, engineer going through the motion of spinning a propellor, bi-plane in steep dive in background, 59mm. [2]. First better than very fine, second about very fine (£30-40)