| Issuer | Date | Desc | State | ||
| - | no image | Comoro Islands | 1997 | empty sheet (#43559) | incomplete |
| - | no image | Comoro Islands | 12/10/1997 | empty sheet (#43560) | incomplete |
| - | no image | Comoro Islands | 12/10/1997 | empty sheet (#43561) | incomplete |
| - | no image | Comoro Islands | 12/10/1997 | empty sheet (#43562) | incomplete |
| - | no image | Comoro Islands | 12/15/1997 | empty sheet (#43563) | incomplete |