| T I M E L I N E [1800 - 1900] |
| 01-Jan-1856 |
India used in Muscat – Donaldson Type 1 – 1856-65 Queen Victoria issue |
| 01-Jan-1865 |
India used in Muscat – Donaldson Type 1A – 1865 Queen Victoria issue |
| 31-Dec-1865 |
India used in Muscat - 1865 Queen Victoria Issue cancelled with the K4 Duplex |
| 01-Jan-1866 |
India used in Muscat – Donaldson Type 1A – 1866 Queen Victoria issue |
| 01-Jan-1868 |
India used in Muscat – Donaldson Type 1A – 1868 Queen Victoria issue |
| 01-Apr-1869 |
The transfer of the Muscat Post Office to the Sind Circle. |
| 01-Jan-1873 |
India used in Muscat - 1873 Queen Victoria Issue cancelled with the Squared Circle |
| 01-Jan-1878 |
India used in Muscat - 1866-78 Queen Victoria Issue cancelled with the Circular Bombay B Duplex |
| 21-Aug-1879 |
Muscat Post Office returns to the Bombay Circle |
| 01-Jan-1882 |
India used in Muscat - 1882-90 Queen Victoria Issue cancelled with the Circular Bombay B Duplex |
| 31-Dec-1882 |
India used in Muscat – Donaldson Type 9 – 1882-90 Queen Victoria Issue |
| 01-Jan-1883 |
India used in Muscat – Donaldson Type 9 – 1883-99 Queen Victoria OHMS issue |
| 01-Jan-1891 |
India used in Muscat - 1891 Queen Victoria Issue cancelled with the Squared Circle |
| 31-Dec-1892 |
India used in Muscat - 1892-97 Queen Victoria Issue cancelled with the Squared Circle |
| 31-Jan-1893 |
India used in Muscat - 1892-97 Queen Victoria Issue cancelled with the Small Double Circle with Date Band. |
| 01-Jan-1899 |
India used in Muscat – Donaldson Type 11 – 1899 Queen Victoria Issue |
| 31-Dec-1899 |
India used in Muscat - 1899 Queen Victoria Issue cancelled with the Small Double Circle with Date Band. |
| 01-Oct-1900 |
India used in Muscat – Donaldson Type 11 – 1900-1902 Queen Victoria Issue |
| 31-Oct-1900 |
India used in Muscat - 1900-02 Queen Victoria Issue cancelled with the Small Double Circle with Date Band. |
