Sheets of United Nations - UN offices in Vienna, 1999
| Issuer | Date | Desc | State | ||
| - | no image | UN offices in Vienna | 1999 | empty sheet (#54713) | incomplete |
| - |  |
UN offices in Vienna | 7/7/1999 | sheet of 1 type | |
| - |  |
UN offices in Vienna | 9/21/1999 | In Memoriam, sheet of 1 type |