Sheets of Sierra Leone, 1990
| Issuer | Date | Desc | State | ||
| - | no image | Sierra Leone | 1/15/1990 | empty sheet (#37153) | incomplete |
| - | no image | Sierra Leone | 1/15/1990 | empty sheet (#37154) | incomplete |
| - | no image | Sierra Leone | 1/15/1990 | empty sheet (#37155) | incomplete |
| - | no image | Sierra Leone | 1/15/1990 | empty sheet (#37156) | incomplete |
| - | no image | Sierra Leone | 1/15/1990 | empty sheet (#37157) | incomplete |
| - | no image | Sierra Leone | 1/15/1990 | empty sheet (#37158) | incomplete |
| - |  |
Sierra Leone | 2/5/1990 | empty sheet (#37159) | incomplete |
| - |  |
Sierra Leone | 2/5/1990 | empty sheet (#37160) | incomplete |
| - |  |
Sierra Leone | 4/23/1990 | empty sheet (#37161) | incomplete |
| - | no image | Sierra Leone | 4/23/1990 | empty sheet (#37162) | incomplete |
| - | no image | Sierra Leone | 4/27/1990 | empty sheet (#37163) | incomplete |
| - | no image | Sierra Leone | 4/27/1990 | empty sheet (#37164) | incomplete |
| - | no image | Sierra Leone | 5/3/1990 | empty sheet (#37165) | incomplete |
| - |  |
Sierra Leone | 6/4/1990 | sheet of 1 type | all added |
| - |  |
Sierra Leone | 6/4/1990 | sheet of 1 type | all added |
| - | no image | Sierra Leone | 6/4/1990 | empty sheet (#37166) | incomplete |
| - | no image | Sierra Leone | 6/4/1990 | empty sheet (#37167) | incomplete |
| - | no image | Sierra Leone | 6/6/1990 | empty sheet (#37168) | incomplete |
| - |  |
Sierra Leone | 6/6/1990 | empty sheet (#37169) | incomplete |
| - | no image | Sierra Leone | 7/5/1990 | empty sheet (#37170) | incomplete |
| - |  |
Sierra Leone | 9/24/1990 | sheet of 18 types | incomplete |
| - | no image | Sierra Leone | 9/24/1990 | empty sheet (#37171) | incomplete |
| - | no image | Sierra Leone | 10/22/1990 | empty sheet (#37172) | incomplete |
| - | no image | Sierra Leone | 10/22/1990 | empty sheet (#37173) | incomplete |
| - | no image | Sierra Leone | 11/12/1990 | empty sheet (#37174) | incomplete |
| - | no image | Sierra Leone | 11/12/1990 | empty sheet (#37175) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37176) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37177) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37178) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37179) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37180) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37181) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37182) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37183) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37184) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37185) | incomplete |
| - | no image | Sierra Leone | 12/17/1990 | empty sheet (#37186) | incomplete |
| - | no image | Sierra Leone | 12/24/1990 | empty sheet (#37187) | incomplete |
| - | no image | Sierra Leone | 12/24/1990 | empty sheet (#37188) | incomplete |
| - |  |
Sierra Leone | 12/31/1990 | empty sheet (#37189) | incomplete |
| - |  |
Sierra Leone | 12/31/1990 | empty sheet (#37190) | incomplete |
| - |  |
Sierra Leone | 12/31/1990 | empty sheet (#37191) | incomplete |
| - |  |
Sierra Leone | 12/31/1990 | empty sheet (#37192) | incomplete |