S25777

South America Flight 1931 - 4 Mark Polar Flight Zeppelin stamp with margin left side clean cancelled Friedrichshafen 29.8.31 and carried with airship on it' s 1st South America Flight 1931 to Rio (arrival postmark backside), perfect quality and with certificate by Schlegel, BPP, Sieger 124 Ca, Michel Zeppelin specialized catalogue 216 b