Stamps of British Guiana, bl color
1 to 14 of 14
postage
1860 1860 issue thick paper (no wmk info) (no perf info)
| - | 4c | bl | seal of British Guiana |
1862 thin paper
| - | 4c | bl | seal of British Guiana | — | — |
1863 1863a issue
| - | 4c | bl | seal of British Guiana |
1863 1863b issue p. 12.5x13
| - | 6c | bl | seal of British Guiana |
1866 1866a issue p. 10
| - | 4c | bl | seal of British Guiana | — | — | |
| - | 6c | bl | seal of British Guiana | — | — |
1866 1866b issue
| X | 6c | bl | seal of British Guiana | — | — |
1875 1875a issue p. 15
| - | 4c | bl | seal of British Guiana | 100 – 1,000 | 10.–100 |
1876, Jul 1 wmk. crown & CC p. 14
| X | 4c | bl | seal of British Guiana |
1878 1878 surcharges issue ovpted (no wmk info) p. 10
| - | 1c on 6c | bl | seal of British Guiana |
1913 wmk. mult crown & CA p. 14
| X | 5c | bl | King George V & seal of British Guiana |
1931, Jul 21 County Union 100th issue wmk. mult crown & script CA p. 12.5
| X | 6c | bl | public buildings Georgetown |
1964, Oct 1 Olympics 1964 issue wmk. St Edwards crown & CA p. 14
| X | 8c | bl |
official
1877 1877 official issue wmk. crown & CC (no perf info)
| - | 4c | bl |
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