1948-1949
Trieste Zone B
Now showing: Trieste Zone B - Postage stamps (1950 - 1954) - 2 stamps.
1953
The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA"
31. July WM: None Perforation: 12½
1953
Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA"
7. August WM: None Perforation: 12½