Rāda: Sjerraleone - Pastmarkas (1970 - 1979) - 6 marka.
14. janvāris SV: Neviens Perforēšana: 13½
![[The 10th Anniversary of African Development Bank, veids ED]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/ED-s.jpg)
![[The 10th Anniversary of African Development Bank, veids ED1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/ED1-s.jpg)
25. augusts SV: Neviens Perforēšana: 13 x 13½
![[The 70th Anniversary of the Birth of President Siaka Stevens, 1905-1988 and New Congo Bridge Opening, veids EE]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EE-s.jpg)
![[The 70th Anniversary of the Birth of President Siaka Stevens, 1905-1988 and New Congo Bridge Opening, veids EE1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EE1-s.jpg)
3. oktobris SV: Neviens Perforēšana: 13 x 13½
![[The 1st Anniversary of Mano River Union, veids EF]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EF-s.jpg)
![[The 1st Anniversary of Mano River Union, veids EF1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EF1-s.jpg)
