Worldwide Pioneer Flights - United States

Worldwide Pioneer Flights - United States

1931 (June 19), Trans-Atlantic Flight by O. Hillig and H. Hoiriis pre-printed cover, franked by US Red Cross 2c black and red, due to technical difficulties flight was interrupted at Harbor Grace (Newfoundland) and correspondences were delivered by a ship, upon arrival to Denmark uprated by 25ø light blue and postmarked ''3.7.31'' in Copenhagen, VF, only 30 items carried, Est. $150-$200, Sc. #702