Bidspirit auction | Soviet Union Stamps of 1924-40

Soviet Union Stamps of 1924-40 - 1938, First North Pole Flight, 80k red and carmine, right sheet margin imperforated single, tiny thin spot probably from hinge removal, full OG, trace of hinge, VF, appearance, C.v. $150, Est. $75-$100 , Sc. #628a