Sheets of United Nations, 2012
| Issuer | Date | Desc | State | ||
| - | no image | United Nations | 1/23/2012 | empty sheet (#32627) | incomplete |
| - |  |
United Nations | 2/3/2012 | empty sheet (#32628) | incomplete |
| - |  |
United Nations | 8/17/2012 | empty sheet (#32629) | incomplete |
| - |  |
United Nations | 10/11/2012 | empty sheet (#32630) | incomplete |