Sheets of Liberia, 1973
| Issuer | Date | Desc | State | ||
| - |  |
Liberia | 1/5/1973 | Gold Medal Winners of Olympics 1972, sheet of 1 type | incomplete |
| - |  |
Liberia | 3/28/1973 | Apollo 17, sheet of 1 type | |
| - | no image | Liberia | 5/4/1973 | Historical Railways 1895-1905, sheet of 1 type | |
| - |  |
Liberia | 9/11/1973 | sheet of 1 type | |
| - |  |
Liberia | 12/14/1973 | 500th Anniversary of the Birth of Nicolas Copernicus, sheet of 1 type |