Sheets of Mauritania, 1978
| Issuer | Date | Desc | State | ||
| - | no image | Mauritania | 6/26/1978 | empty sheet (#23438) | incomplete |
| - |  |
Mauritania | 12/11/1978 | empty sheet (#23439) | incomplete |
| Issuer | Date | Desc | State | ||
| - | no image | Mauritania | 6/26/1978 | empty sheet (#23438) | incomplete |
| - | |
Mauritania | 12/11/1978 | empty sheet (#23439) | incomplete |