Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA" 1953
1950-1954Now showing: Trieste Zone B - Postage stamps - 1953 - Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA" - 1 stamps.
1953
Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA"
7. August WM: None Perforation: 12½
![[Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA", type BT1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/BT1-s.jpg)
