Sheets of North Korea, 1999 incomplete
| Issuer | Date | Desc | State | ||
| - | no image | North Korea | 1/1/1999 | empty sheet (#51897) | incomplete |
| - | no image | North Korea | 3/19/1999 | empty sheet (#51898) | incomplete |
| - | no image | North Korea | 4/15/1999 | empty sheet (#51899) | incomplete |
| - | no image | North Korea | 4/30/1999 | empty sheet (#51900) | incomplete |
| - | no image | North Korea | 4/30/1999 | empty sheet (#51901) | incomplete |
| - | no image | North Korea | 4/30/1999 | empty sheet (#51902) | incomplete |
| - | no image | North Korea | 5/20/1999 | empty sheet (#51903) | incomplete |
| - | no image | North Korea | 5/20/1999 | empty sheet (#51904) | incomplete |
| - | no image | North Korea | 5/30/1999 | empty sheet (#51905) | incomplete |
| - | no image | North Korea | 5/30/1999 | empty sheet (#51906) | incomplete |
| - | no image | North Korea | 6/8/1999 | empty sheet (#51907) | incomplete |
| - | no image | North Korea | 6/10/1999 | empty sheet (#51908) | incomplete |
| - | no image | North Korea | 6/10/1999 | empty sheet (#51909) | incomplete |
| - |  |
North Korea | 6/20/1999 | empty sheet (#51910) | incomplete |
| - |  |
North Korea | 7/2/1999 | empty sheet (#51911) | incomplete |
| - |  |
North Korea | 7/8/1999 | empty sheet (#51912) | incomplete |
| - |  |
North Korea | 8/20/1999 | empty sheet (#51913) | incomplete |
| - | no image | North Korea | 8/21/1999 | empty sheet (#51914) | incomplete |
| - | no image | North Korea | 9/10/1999 | empty sheet (#51915) | incomplete |
| - | no image | North Korea | 9/10/1999 | empty sheet (#51916) | incomplete |
| - |  |
North Korea | 9/20/1999 | empty sheet (#51917) | incomplete |
| - |  |
North Korea | 10/5/1999 | empty sheet (#51918) | incomplete |
| - | no image | North Korea | 11/10/1999 | empty sheet (#51919) | incomplete |
| - | no image | North Korea | 11/10/1999 | empty sheet (#51920) | incomplete |
| - | no image | North Korea | 11/10/1999 | empty sheet (#51921) | incomplete |
| - | no image | North Korea | 11/10/1999 | empty sheet (#51922) | incomplete |