Sheets of Lesotho, 1990
| Issuer | Date | Desc | State | ||
| - |  |
Lesotho | 2/26/1990 | Butterflies of Lesotho 1990, sheet of 1 type | all added |
| - | no image | Lesotho | 3/12/1990 | empty sheet (#63251) | incomplete |
| - | no image | Lesotho | 7/5/1990 | empty sheet (#63252) | incomplete |
| - | no image | Lesotho | 7/5/1990 | Queen Mother 90th, sheet of 1 type | |
| - | no image | Lesotho | 8/17/1990 | Pope visit, sheet of 1 type | |
| - | no image | Lesotho | 8/24/1990 | Highland water project, sheet of 1 type | |
| - | no image | Lesotho | 11/5/1990 | empty sheet (#63256) | incomplete |
| - | no image | Lesotho | 12/5/1990 | Christmas 1990, sheet of 1 type |