| Name | Participants | Dates | Stamps | ||
| Coronation | 52 | (with Antigua - Virgin Islands) | 1937 | 161 | (incomplete) |
| Coronation 1953 | 62 | (with Kathiri State of Seiyun - Virgin Islands) | 1953 | 62 | (incomplete) |
| Freedom from Hunger | 37 | (with Antigua - Zanzibar) | 1963 | 39 | (incomplete) |
| Peace | 54 | (with Kathiri State of Seiyun - Virgin Islands) | 1945 - 1947 | 131 | (incomplete) |
| Silver Wedding | 68 | (with Kathiri State of Seiyun - Zanzibar) | 1948 - 1949 | 134 | (incomplete) |
| UPU 75th | 68 | (with Kathiri State of Seiyun - Zanzibar) | 1949 | 271 | (incomplete) |