| Issuer | Date | Desc | State | ||
| - | no image | Burundi | 4/2/1992 | empty sheet (#43114) | incomplete |
| - | no image | Burundi | 6/2/1992 | empty sheet (#43115) | incomplete |
| - | no image | Burundi | 6/2/1992 | empty sheet (#43116) | incomplete |
| - | no image | Burundi | 12/7/1992 | empty sheet (#43117) | incomplete |