Sheets of Cook Islands, 1968
| Issuer | Date | Desc | State | ||
| - |  |
Cook Islands | 12/2/1968 | empty sheet (#19144) | incomplete |
| - | no image | Cook Islands | 12/9/1968 | empty sheet (#75787) | incomplete |
| Issuer | Date | Desc | State | ||
| - | |
Cook Islands | 12/2/1968 | empty sheet (#19144) | incomplete |
| - | no image | Cook Islands | 12/9/1968 | empty sheet (#75787) | incomplete |