Sheets of Vatican City, 2006 incomplete
| Issuer | Date | Desc | State | ||
| - |  |
Vatican City | 6/22/2006 | empty sheet (#15988) | incomplete |
| - |  |
Vatican City | 6/22/2006 | empty sheet (#15989) | incomplete |
| - |  |
Vatican City | 6/22/2006 | empty sheet (#15990) | incomplete |
| - | no image | Vatican City | 10/12/2006 | empty sheet (#15986) | incomplete |
| - | no image | Vatican City | 10/12/2006 | empty sheet (#15987) | incomplete |
| - |  |
Vatican City | 10/12/2006 | empty sheet (#15991) | incomplete |