Sheets of Vietnam, 1991 incomplete
| Issuer | Date | Desc | State | ||
| - |  |
Vietnam | 8/20/1991 | empty sheet (#16133) | incomplete |
| - | no image | Vietnam | 8/20/1991 | empty sheet (#63668) | incomplete |
| - | no image | Vietnam | 9/17/1991 | empty sheet (#63669) | incomplete |
| Issuer | Date | Desc | State | ||
| - | |
Vietnam | 8/20/1991 | empty sheet (#16133) | incomplete |
| - | no image | Vietnam | 8/20/1991 | empty sheet (#63668) | incomplete |
| - | no image | Vietnam | 9/17/1991 | empty sheet (#63669) | incomplete |