Praegu kuvatakse: Briti Guajaana - postmargid (1850 - 1966) - 4 margid.
1949
The 75th Anniversary of the Universal Postal Union
20. detsember WM: mitte ükski perforatsioon: 14 x 15
![[The 75th Anniversary of the Universal Postal Union, Tüüp BM]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/BM-s.jpg)
![[The 75th Anniversary of the Universal Postal Union, Tüüp BN]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/BN-s.jpg)
![[The 75th Anniversary of the Universal Postal Union, Tüüp BO]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/BO-s.jpg)
![[The 75th Anniversary of the Universal Postal Union, Tüüp BP]](https://www.stampworld.com/media/catalogue/British-Guiana/Postage-stamps/BP-s.jpg)
