Lot 41585 – 1931 Polar Flight 1M, 2M and 4M set of three on Graf Zeppelin Polar Flight cover to Ireland

German Empire: 1931 Polar Flight 1M, 2M and 4M set of three on Graf Zeppelin Polar Flight cover to Ireland, tied by black-violet Graf Zeppelin 6.7.1931 cds, with red “POLARFAHRT 1931” pictorial cachet and “BRISE-GLACE “MALYGUIN” cds adjacent, signed by Colonel Hans von Schiller who was a Zeppelin crew member and pilot and who was onboard the Polar flights (Mi. €1’300 off cover).