1875
British Guiana
Now showing: British Guiana - Official stamps (1875 - 1877) - 8 stamps.
1877
British Guyana Postage Stamps of 1876 Overpinted "OFFICIAL"
WM: None Perforation: 14, 14½
1877
British Guyana Postage Stamps of 1876 Overprinted "OFFICIAL"- Not Issued
WM: None Perforation: 14