Bidspirit auction | Worldwide Pioneer Flights - France

Worldwide Pioneer Flights - France - 1936, Airplane over Paris, 50fr emerald, fresh stamp with intact perforation, unused, no gum, in addition the similar stamp in green shade, postally used with perfin ''RP'', top right corner crease, C.v. 1,175, Est. $250-$300 , Sc. #C14, b