Sheets of Sierra Leone, 1988
| Issuer | Date | Desc | State | ||
| - | no image | Sierra Leone | 2/15/1988 | empty sheet (#37106) | incomplete |
| - |  |
Sierra Leone | 2/29/1988 | empty sheet (#37107) | incomplete |
| - |  |
Sierra Leone | 4/13/1988 | empty sheet (#37108) | incomplete |
| - | no image | Sierra Leone | 6/15/1988 | empty sheet (#37109) | incomplete |
| - |  |
Sierra Leone | 6/25/1988 | sheet of 1 type | all added |
| - |  |
Sierra Leone | 6/25/1988 | sheet of 1 type | all added |
| - | no image | Sierra Leone | 7/1/1988 | empty sheet (#37110) | incomplete |
| - | no image | Sierra Leone | 8/22/1988 | empty sheet (#37111) | incomplete |
| - | no image | Sierra Leone | 8/22/1988 | empty sheet (#37112) | incomplete |
| - | no image | Sierra Leone | 9/26/1988 | empty sheet (#37113) | incomplete |
| - | no image | Sierra Leone | 11/1/1988 | empty sheet (#37114) | incomplete |
| - | no image | Sierra Leone | 12/1/1988 | empty sheet (#37115) | incomplete |
| - | no image | Sierra Leone | 12/1/1988 | empty sheet (#37116) | incomplete |
| - | no image | Sierra Leone | 12/1/1988 | empty sheet (#37117) | incomplete |
| - | no image | Sierra Leone | 12/15/1988 | empty sheet (#37118) | incomplete |
| - | no image | Sierra Leone | 12/15/1988 | empty sheet (#37119) | incomplete |