| Issuer | Date | Desc | State | ||
| - | no image | Guinea | 10/16/1974 | empty sheet (#29488) | incomplete |
| - | no image | Guinea | 10/16/1974 | empty sheet (#29489) | incomplete |
| - | no image | Guinea | 11/22/1974 | empty sheet (#29490) | incomplete |
| - | no image | Guinea | 11/22/1974 | empty sheet (#29491) | incomplete |