Issuer | Date | Desc | State | ||
- | North Vietnam | 4/22/1960 | empty sheet (#16113) | incomplete | |
- | North Vietnam | 5/19/1960 | empty sheet (#16114) | incomplete | |
- | no image | North Vietnam | 5/19/1960 | empty sheet (#16115) | incomplete |
- | North Vietnam | 10/10/1960 | sheet of 1 type | incomplete |