Philadria d.o.o. - catalog 27
Other countries–Stamps of Slovenian interest
Kingdom of Yugoslavia
,,Zeppelin. Picture postcard (image somewhat damaged), franked with 21,50 Din., sent by airmail from Zagreb (12.IV.32) via Zemun (13.IV.32) to Berlin. From there with 3rd South America Flight (Graf Zeppelin) to Recife (20.IV.32), Si. 150 B.