| Issuer | Date | Desc | State | ||
| - | no image | Maldive Islands | 1/25/1973 | empty sheet (#32741) | incomplete |
| - | no image | Maldive Islands | 3/1/1973 | empty sheet (#32742) | incomplete |
| - | no image | Maldive Islands | 8/1/1973 | empty sheet (#32743) | incomplete |
| - | no image | Maldive Islands | 8/1/1973 | empty sheet (#32744) | incomplete |
| - | no image | Maldive Islands | 10/1/1973 | empty sheet (#32745) | incomplete |
| - | no image | Maldive Islands | 12/19/1973 | empty sheet (#32746) | incomplete |