Offices
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| New UPU HeadquartersMay 20, 1970 | May 20, 1970 | 20 nP |   |
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| New UPU HeadquartersMay 20, 1970 | May 20, 1970 | 20 nP | |