Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA" 1953
1950-1954กำลังแสดง ทรีเอสต์ โซน บี - แสตมป์ไปรษณียากร - 1953 - Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA" - 1 แสตมป์.
1953
Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA"
7. สิงหาคม WM: ว่าง การปรุรู: 12½
![[Airmail - The 38th Esperanto Congress, Zagreb - Yugoslav Postage Stamp in Changed Color and Overprinted "STT - VUJNA", ประเภท BT1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/BT1-s.jpg)
