Sheets of Vatican City, 1999
| Issuer | Date | Desc | State | ||
| - |  |
Vatican City | 4/27/1999 | empty sheet (#15959) | incomplete |
| - |  |
Vatican City | 4/27/1999 | Padre Pio de Pietrelcina, sheet of 3 types | all added |
| - |  |
Vatican City | 5/25/1999 | empty sheet (#15960) | incomplete |
| - |  |
Vatican City | 5/25/1999 | empty sheet (#15961) | incomplete |
| - |  |
Vatican City | 5/25/1999 | Holy Places in Palestine, sheet of 4 types | all added |
| - |  |
Vatican City | 11/24/1999 | empty sheet (#15964) | incomplete |