Bulgaria
Prezentat acum: Bulgaria - Timbre poştale (1879 - 2024) - 1 timbre.
1978
Building a Gas line from Orenburg to West Soviet Union Border
3. Octombrie WM: Niciunul Perforare: 13
![[Building a Gas line from Orenburg to West Soviet Union Border, Tip CRM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CRM-s.jpg)
