1875
Βρετανική Γουιάνα
Τώρα εμφανίζεται Βρετανική Γουιάνα - Επίσημα γραμματόσημα (1875 - 1877) - 8 Γραμματόσημα.
1877
British Guyana Postage Stamps of 1876 Overpinted "OFFICIAL"
WM: Κανένα Διάτρηση: 14, 14½
![[British Guyana Postage Stamps of 1876 Overpinted "OFFICIAL", τύπος B]](https://www.stampworld.com/media/catalogue/British-Guiana/Official-stamps/B-s.jpg)
![[British Guyana Postage Stamps of 1876 Overpinted "OFFICIAL", τύπος B1]](https://www.stampworld.com/media/catalogue/British-Guiana/Official-stamps/B1-s.jpg)
![[British Guyana Postage Stamps of 1876 Overpinted "OFFICIAL", τύπος B4]](https://www.stampworld.com/media/catalogue/British-Guiana/Official-stamps/B4-s.jpg)
1877
British Guyana Postage Stamps of 1876 Overprinted "OFFICIAL"- Not Issued
WM: Κανένα Διάτρηση: 14
![[British Guyana Postage Stamps of 1876 Overprinted "OFFICIAL"- Not Issued, τύπος C1]](https://www.stampworld.com/media/catalogue/British-Guiana/Official-stamps/C1-s.jpg)
