Sedaj prikazano: Angola - Poštne znamke (1970 - 1979) - 1 znamke.
1971
The 5th Anniversary of the Regional Soil and Foundation Engineering Conference, Luanda
22. avgust WM: Nič Velikost polja: 50 Oblika: José de Moura Gravura: INCM Perforacija: 13½
![[The 5th Anniversary of the Regional Soil and Foundation Engineering Conference, Luanda, tip KX]](https://www.stampworld.com/media/catalogue/Angola/Postage-stamps/KX-s.jpg)
