Şimdi gösteriyor: Angola - Posta pulları (1970 - 1979) - 1 pullar.
1971
The 5th Anniversary of the Regional Soil and Foundation Engineering Conference, Luanda
22. Ağustos WM: Hiçbiri Sheetboyutu: 50 Tasarım: José de Moura Gravür: INCM Perforasyon: 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)
