Sheets of Lesotho, 1991
| Issuer | Date | Desc | State | ||
| - |  |
Lesotho | 6/10/1991 | PHILANIPPON '91, sheet of 1 type | |
| - |  |
Lesotho | 6/10/1991 | PHILANIPPON '91, sheet of 1 type | |
| - | no image | Lesotho | 6/20/1991 | empty sheet (#63258) | incomplete |
| - | no image | Lesotho | 10/10/1991 | empty sheet (#63259) | incomplete |
| - | no image | Lesotho | 12/9/1991 | empty sheet (#63260) | incomplete |
| - | no image | Lesotho | 12/13/1991 | empty sheet (#63261) | incomplete |
| - | no image | Lesotho | 12/13/1991 | empty sheet (#63262) | incomplete |
| - |  |
Lesotho | 12/16/1991 | sheet of 1 type | |
| - |  |
Lesotho | 12/16/1991 | sheet of 1 type | |
| - | no image | Lesotho | 12/16/1991 | empty sheet (#63263) | incomplete |