Yugoslavia, Airmail

,260, 263, 267,Zeppelin. Cover, franked with 27 Din., sent by Airmail from Zagreb (23.IX.33) via Zemun (28.IX.33) to Friedrichshafen. From there with 8th South-America flight 1933 (Graf Zeppelin) to Pernambuco (4.X.33). Si. 235 B, Mi. 343b. Very good quality.