RUSSIA - AIRMAILS: C26,C28: 30k and 1r imperforate, both tied by Leningrad 25 VII 31 Zeppelin cancel to cacheted registered GRAF ZEPPELIN NORTH POLE FLIGHT dropship postcard to Rotterdam (Netherlands), with ICE-BREAKER 'MALYGUIN 27.VII and Berlin 26.8.31 cancels, clean and very fine. (Image)

Est. 150+