Now showing: Angola - Postage stamps (1870 - 2019) - 1 stamps.
1971
The 5th Anniversary of the Regional Soil and Foundation Engineering Conference, Luanda
22. August WM: None Sheetsize: 50 Design: José de Moura Engraving: INCM Perforation: 13½
![[The 5th Anniversary of the Regional Soil and Foundation Engineering Conference, Luanda, type KX]](https://www.stampworld.com/media/catalogue/Angola/Postage-stamps/KX-s.jpg)
