Sheets of Liberia, 1988
| Issuer | Date | Desc | State | ||
| - |  |
Liberia | 4/14/1988 | empty sheet (#34274) | incomplete |
| - | no image | Liberia | 7/30/1988 | empty sheet (#34275) | incomplete |
| - | no image | Liberia | 7/30/1988 | empty sheet (#34276) | incomplete |
| - | no image | Liberia | 7/30/1988 | empty sheet (#34277) | incomplete |
| - | no image | Liberia | 7/30/1988 | empty sheet (#34278) | incomplete |
| - |  |
Liberia | 9/13/1988 | Olympics 1988 b, sheet of 1 type |