AIR FORCE POST CARDS
Six photos / post cards of Yugoslav pilots, 1918-1941 period. Including (from left) oval photo of an officer with observer badge, signed, with hand written note on reverse and dated 1932 (creased); another, signed (Jovan), with hand written note on reverse and dated 1923; another, pilot with observer badge, plain reverse; another, pilot next to his plane, plain reverse; last two, same pilot, with pilot's badge, both signed, dated 1935 and 1939. In average condition.