Trieste Zone B
1950-1954Viser nu Trieste Zone B - Post frimærker (1948 - 1954) - 2 frimærker.
1953
The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA"
31. juli VM: Ingen Perforeringer: 12½
![[The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA", type BT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Trieste-Zone-B/Postage-stamps/BT-s.jpg)
1953
Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA"
7. august VM: Ingen Perforeringer: 12½
![[Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA", type BT1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Trieste-Zone-B/Postage-stamps/BT1-s.jpg)
