Soviet Union – Zeppelin Flights 1931 (July 27-31), North Pole Return Flight card and cover from Ice-Breaker “Malygin” to Germany, franked by specially issued imperforate complete set of four, 30k and 1r for card and 35k and 2r for cover, cancelled18. 31″ by special date stamp, German confirmation cachet, Friedrichshafen “31.7.31 arrival handstamp and all appropriate markings, VF, arranged on two Collection pages, Scott #C26-29, Sieger #120Aa, Ab. We guarantee authenticity with no time limit of all lots posted for sale. Thank You for Visiting Our Store!