24.-31.7.1931 - Vor 90 Jahren war LZ 127 auf Polarfahrt - Zeppelinpost Arbeitsgemeinschaft
German Empire 1931 - Polar flight of airship “Graf Zeppelin” – cover, franked with 4 marks, black brown – overprint - Michel Nr. 458 at auction | LOT-ART
Graf Zeppelin airship: Polar flight 1931 - 3 stamps mint never hinged, catalog no. 456-458, German | Rarities | Postage stamps | Stamps Sieger
Lot - AIRSHIP 'GRAF ZEPPLIN' POSTAL POLARFAHRT COVER 1931