Sheets of United Nations, 1988
| Issuer | Date | Desc | State | ||
| - |  |
United Nations | 9/15/1988 | empty sheet (#32575) | incomplete |
| - |  |
United Nations | 9/15/1988 | empty sheet (#32576) | incomplete |
| - |  |
United Nations | 9/15/1988 | empty sheet (#32577) | incomplete |
| - |  |
United Nations | 9/15/1988 | empty sheet (#32578) | incomplete |
| - |  |
United Nations | 12/9/1988 | 40th Anniversary of Declaration of Human Rights, sheet of 1 type | all added |