| AUSTRIA | 1930 (31 March). Austria-Yougoslavia. First Flight. Viena to Zagreb. Franked envelope. |
U$ | 25 |
Copyright © 2000-2010 - Philaton.com
| AUSTRIA | 1930 (31 March). Austria-Yougoslavia. First Flight. Viena to Zagreb. Franked envelope. |
U$ | 25 |
Copyright © 2000-2010 - Philaton.com