Lot 10970 – 1931 (2 Oct.) Three-country franking used on reg’d

1931 (2 Oct.) Three-country franking used on reg’d airmail cover from Leningrad with Russian franking tied by special pictorial cds for the Leningrad to Berlin leg, then next-day Berlin cds on reverse and red airmail cachet on face, with stamps of Ecuador (x3 diff.) and Colombia tied by Cali airmail service cds (29.X.1931) at destination, various Colombian bs, franking includes 20k Zeppelin, imperf pair of 2k Workers, etc., very fine