Rāda: Lielbritānijas Gviāna - Pastmarkas (1850 - 1966) - 4 marka.
1965
The 100th Anniversary of I.T.U.
17. maijs SV: 5 Perforēšana: 11 x 11½
![[The 100th Anniversary of I.T.U., veids CM]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CM-s.jpg)
![[The 100th Anniversary of I.T.U., veids CM1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CM1-s.jpg)
1965
The 20th Anniversary of the United Nations
25. oktobris SV: 5 Perforēšana: 14½
![[The 20th Anniversary of the United Nations, veids CN]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CN-s.jpg)
![[The 20th Anniversary of the United Nations, veids CN1]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/CN1-s.jpg)
