Bidspirit auction | Soviet Union - Issues of

Soviet Union - Issues of 1938-1939 - 1938, North Pole Flight, 40k dark green and carmine, 80k red and carmine, imperforated set of two values, balanced margins (40k) or bottom sheet margin examples, full OG, tiny reversal traces from an old stockbook, F/VF, C.v. $1,600 as hinged, Est. $1,000- $1,300, Scott #627a-28a