| - | 6c | bl | seal of British Guiana, p. 12.5x13 | |||
| - | 24c | grn | seal of British Guiana | — | — | |
| - | 24c | yelgrn | seal of British Guiana | |||
| - | 48c | red | seal of British Guiana | |||
| - | 48c | rose | seal of British Guiana | — | — |
| X | 6c | bl | seal of British Guiana | — | — | |
| - | 6c | ultra | seal of British Guiana | — | — | |
| - | 24c | grn | seal of British Guiana | — | — | |
| - | 24c | yelgrn | seal of British Guiana | — | — | |
| X | 48c | red | seal of British Guiana | — | — |
| - | 6c | ultra | seal of British Guiana | 100 – 1,000 | 10.–100 | |
| - | 24c | yelgrn | seal of British Guiana | 100 – 1,000 | 10.–100 |
| - | 12c | vio | ||||
| - | 24c | |||||
| - | 48c | — | — |