Germany: 1931 Polar Flight cover franked Polar Flight Zeppelin 4RM, tied by 'Friedrichshafen 24 7 31' cds, with red flight cachet & 'Brise-Glace Malyguin Arctique 27 VIII 31' anchor cds. To Berlin. Mi 458 cat €1100 on cover. SG 471 cat £1200 as loose stamp. (P) (Image1)

Estimate AU$500