Sheets of Mongolia, 2003
| Issuer | Date | Desc | State | ||
| - |  |
Mongolia | 2/1/2003 | Mushrooms and Birds, empty sheet (#17128) | incomplete |
| - |  |
Mongolia | 2/1/2003 | Mushrooms and Birds, empty sheet (#17129) | incomplete |
| - |  |
Mongolia | 12/10/2003 | empty sheet (#17126) | incomplete |
| - |  |
Mongolia | 12/10/2003 | empty sheet (#17127) | incomplete |
| - |  |
Mongolia | 12/10/2003 | Mushrooms 2003, sheet of 1 type | |
| - |  |
Mongolia | 12/10/2003 | Butterflies 2003, sheet of 1 type | |
| - |  |
Mongolia | 12/10/2003 | Birds 2003, sheet of 4 types | |
| - |  |
Mongolia | 12/10/2003 | Birds 2003, sheet of 1 type | |
| - |  |
Mongolia | 12/15/2003 | First Chinese Manned Space Flight, sheet of 1 type |