Sheets of North Korea, 2006 incomplete
| Issuer | Date | Desc | State | ||
| - | no image | North Korea | 1/1/2006 | empty sheet (#52133) | incomplete |
| - | no image | North Korea | 1/17/2006 | empty sheet (#52134) | incomplete |
| - | no image | North Korea | 1/17/2006 | empty sheet (#52135) | incomplete |
| - |  |
North Korea | 1/29/2006 | empty sheet (#52136) | incomplete |
| - |  |
North Korea | 2/10/2006 | empty sheet (#52137) | incomplete |
| - |  |
North Korea | 2/16/2006 | empty sheet (#52138) | incomplete |
| - | no image | North Korea | 3/4/2006 | empty sheet (#52139) | incomplete |
| - | no image | North Korea | 3/4/2006 | empty sheet (#52140) | incomplete |
| - |  |
North Korea | 3/5/2006 | empty sheet (#52141) | incomplete |
| - |  |
North Korea | 3/12/2006 | empty sheet (#52142) | incomplete |
| - | no image | North Korea | 4/15/2006 | empty sheet (#52143) | incomplete |
| - |  |
North Korea | 6/12/2006 | empty sheet (#52144) | incomplete |
| - |  |
North Korea | 6/27/2006 | empty sheet (#52145) | incomplete |
| - |  |
North Korea | 8/10/2006 | empty sheet (#52146) | incomplete |
| - |  |
North Korea | 9/10/2006 | empty sheet (#19676) | incomplete |
| - |  |
North Korea | 10/1/2006 | empty sheet (#52147) | incomplete |
| - |  |
North Korea | 10/17/2006 | empty sheet (#52148) | incomplete |
| - |  |
North Korea | 10/21/2006 | empty sheet (#52149) | incomplete |
| - | no image | North Korea | 11/4/2006 | empty sheet (#52150) | incomplete |
| - | no image | North Korea | 11/4/2006 | empty sheet (#52151) | incomplete |
| - |  |
North Korea | 12/24/2006 | empty sheet (#52152) | incomplete |