| Name | Participants | Dates | Stamps | ||
| Freedom from Hunger | 37 | (with Aden - Virgin Islands) | 1963 | 39 | (incomplete) |
| Silver Wedding | 68 | (with Aden - Virgin Islands) | 1948 - 1949 | 134 | (incomplete) |
| UPU 75th | 68 | (with Aden - Turks & Caicos Islands) | 1949 | 271 | (incomplete) |