| Issuer | Date | Desc | State | ||
| - | no image | Mauritania | 6/12/1986 | empty sheet (#23464) | incomplete |
| - | |
Mauritania | 6/19/1986 | empty sheet (#23465) | incomplete |
| - | no image | Mauritania | 10/14/1986 | empty sheet (#23466) | incomplete |
| - | no image | Mauritania | 10/14/1986 | empty sheet (#23467) | incomplete |
| - | no image | Mauritania | 10/14/1986 | empty sheet (#23468) | incomplete |