Sheets of Madagascar, 1991
| Issuer | Date | Desc | State | ||
| - |  |
Madagascar | 3/20/1991 | empty sheet (#49336) | incomplete |
| - | no image | Madagascar | 8/2/1991 | empty sheet (#49337) | incomplete |
| - | no image | Madagascar | 8/2/1991 | empty sheet (#49338) | incomplete |
| - | no image | Madagascar | 9/27/1991 | empty sheet (#49339) | incomplete |
| - |  |
Madagascar | 12/10/1991 | empty sheet (#49340) | incomplete |
| - |  |
Madagascar | 12/30/1991 | empty sheet (#49341) | incomplete |