Lot
286 
Russia, (Russia) 1931 Polar Flight, July 24-31, with Russia, Airmail, 1931, Polar Flight Zeppelins Complete, Imperf (C26-C29) on matching cover and card; first bearing 30k & 1r on North Pole flight card and second bearing 35k & 2r on north pole flight cover, appropriate magenta flight cachets and zeppelin datestamps, Leningrad registry handstamp, a Very Fine pair. Michel Nos. 402 B-405 B. Sieger Nos. 120 B Estimate $300 - 400.
Realized: $180