Sheets of North Korea, 1975 incomplete
| Issuer | Date | Desc | State | ||
| - | no image | North Korea | 2/16/1975 | empty sheet (#44883) | incomplete |
| - | no image | North Korea | 4/15/1975 | empty sheet (#44884) | incomplete |
| - |  |
North Korea | 6/8/1975 | Marathon of the Socialist Countries, sheet of 1 type | incomplete |
| - |  |
North Korea | 7/10/1975 | empty sheet (#19457) | incomplete |
| - |  |
North Korea | 9/9/1975 | empty sheet (#19458) | incomplete |
| - | no image | North Korea | 10/10/1975 | empty sheet (#44885) | incomplete |
| - | no image | North Korea | 10/10/1975 | empty sheet (#44886) | incomplete |
| - |  |
North Korea | 11/1/1975 | empty sheet (#19459) | incomplete |