Lot 10968 – 1931 (July 25) Zeppelin Polar Flight, reg’d cover

1931 (July 25) Zeppelin Polar Flight, reg’d cover to Moscow franked by complete PERFORATED special issue tied by Leningrad pictorial ds, “…Leningrad-Nordpol” and flight cachets, 26.8.31 Moscow receiver as well, a rare cover as nearly all the Russian despatches were franked by the imperf of this design, very fine (Sieger 120 Ca, € 1’500)