Now showing: British Guiana - Postage stamps (1850 - 1966) - 4 stamps.
1965
The 100th Anniversary of I.T.U.
17. May WM: 5 Perforation: 11 x 11½
![[The 100th Anniversary of I.T.U., type CM]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CM-s.jpg)
![[The 100th Anniversary of I.T.U., type CM1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CM1-s.jpg)
1965
The 20th Anniversary of the United Nations
25. October WM: 5 Perforation: 14½
![[The 20th Anniversary of the United Nations, type CN]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CN-s.jpg)
![[The 20th Anniversary of the United Nations, type CN1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CN1-s.jpg)
