Other countries–Stamps of Slovenian interest

Kingdom of Yugoslavia

,,Zeppelin. Cover, franked with 31 Din., sent registered by air mail from Belgrade (25.IV.33) via Zemun (26.IV.33) to Berlin (4.5.33) and from there with Graf Zeppelin on 1st South-America flight 1933 to Buenos Aires (11.MAY.33). Si. 202 Ba.