| Issuer | Date | Desc | State | ||
| - | no image | Comoro Islands | 4/5/1994 | empty sheet (#43555) | incomplete |
| - | no image | Comoro Islands | 4/5/1994 | empty sheet (#43556) | incomplete |
| - | no image | Comoro Islands | 5/24/1994 | empty sheet (#43557) | incomplete |
| - | no image | Comoro Islands | 5/24/1994 | empty sheet (#43558) | incomplete |