| Issuer | Date | Desc | State | ||
| - | no image | Maldive Islands | 1/29/1991 | sheet of 1 type | |
| - | no image | Maldive Islands | 1/29/1991 | sheet of 1 type | |
| - | no image | Maldive Islands | 2/7/1991 | 350th Anniversary of the Death of Peter Paul Rubens, sheet of 1 type | |
| - | no image | Maldive Islands | 2/7/1991 | 350th Anniversary of the Death of Peter Paul Rubens, sheet of 1 type | |
| - | no image | Maldive Islands | 2/7/1991 | empty sheet (#32912) | incomplete |
| - | no image | Maldive Islands | 2/7/1991 | empty sheet (#32913) | incomplete |
| - | no image | Maldive Islands | 3/11/1991 | empty sheet (#32914) | incomplete |
| - | no image | Maldive Islands | 3/11/1991 | empty sheet (#32915) | incomplete |
| - | no image | Maldive Islands | 4/10/1991 | empty sheet (#32916) | incomplete |
| - | no image | Maldive Islands | 7/4/1991 | empty sheet (#32917) | incomplete |
| - | no image | Maldive Islands | 7/4/1991 | empty sheet (#32918) | incomplete |
| - | no image | Maldive Islands | 7/25/1991 | empty sheet (#32919) | incomplete |
| - | no image | Maldive Islands | 7/25/1991 | empty sheet (#32920) | incomplete |
| - | no image | Maldive Islands | 8/25/1991 | empty sheet (#32921) | incomplete |
| - | no image | Maldive Islands | 8/25/1991 | empty sheet (#32922) | incomplete |
| - | no image | Maldive Islands | 12/2/1991 | empty sheet (#32923) | incomplete |
| - | no image | Maldive Islands | 12/2/1991 | empty sheet (#32924) | incomplete |
| - | no image | Maldive Islands | 12/11/1991 | empty sheet (#32925) | incomplete |
| - | no image | Maldive Islands | 12/11/1991 | empty sheet (#32926) | incomplete |
| - | no image | Maldive Islands | 12/28/1991 | empty sheet (#32927) | incomplete |
| - | no image | Maldive Islands | 12/28/1991 | empty sheet (#32928) | incomplete |
| - | no image | Maldive Islands | 12/28/1991 | empty sheet (#32929) | incomplete |
| - | no image | Maldive Islands | 12/30/1991 | empty sheet (#32930) | incomplete |