| Issuer | Date | Desc | State | ||
| - | no image | Cambodia | 2/18/1974 | 10th Anniversary of the Death of John F. Kennedy, sheet of 2 types | incomplete |
| - | no image | Cambodia | 9/10/1974 | 500th Anniversary of the Birth of Nicolaus Copernicus, empty sheet (#28352) | incomplete |
| - | no image | Cambodia | 9/10/1974 | 500th Anniversary of the Birth of Nicolaus Copernicus, empty sheet (#28353) | incomplete |
| - | no image | Cambodia | 9/10/1974 | empty sheet (#28354) | incomplete |
| - | no image | Cambodia | 11/2/1974 | empty sheet (#28355) | incomplete |
| - | no image | Cambodia | 11/2/1974 | empty sheet (#28356) | incomplete |
| - | no image | Cambodia | 11/2/1974 | empty sheet (#28357) | incomplete |
| - | no image | Cambodia | 11/2/1974 | empty sheet (#28358) | incomplete |