Sheets of Mongolia, 1998
| Issuer | Date | Desc | State | ||
| - |  |
Mongolia | 3/15/1998 | empty sheet (#60466) | incomplete |
| - |  |
Mongolia | 6/1/1998 | empty sheet (#17071) | incomplete |
| - |  |
Mongolia | 6/20/1998 | empty sheet (#17072) | incomplete |
| - |  |
Mongolia | 7/20/1998 | empty sheet (#17073) | incomplete |
| - |  |
Mongolia | 7/20/1998 | empty sheet (#17074) | incomplete |
| - |  |
Mongolia | 7/20/1998 | empty sheet (#17075) | incomplete |
| - |  |
Mongolia | 7/20/1998 | empty sheet (#17076) | incomplete |
| - |  |
Mongolia | 9/1/1998 | empty sheet (#60467) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#17064) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#17065) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#17077) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#60460) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#60461) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#60462) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#60463) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#60468) | incomplete |
| - |  |
Mongolia | 10/15/1998 | empty sheet (#60469) | incomplete |
| - |  |
Mongolia | 11/25/1998 | empty sheet (#17066) | incomplete |
| - |  |
Mongolia | 11/25/1998 | empty sheet (#17067) | incomplete |
| - |  |
Mongolia | 11/25/1998 | empty sheet (#17068) | incomplete |
| - |  |
Mongolia | 11/25/1998 | empty sheet (#17078) | incomplete |
| - |  |
Mongolia | 11/25/1998 | empty sheet (#17079) | incomplete |
| - |  |
Mongolia | 11/25/1998 | empty sheet (#17080) | incomplete |
| - |  |
Mongolia | 12/1/1998 | empty sheet (#17069) | incomplete |
| - |  |
Mongolia | 12/26/1998 | empty sheet (#17070) | incomplete |
| - |  |
Mongolia | 12/31/1998 | empty sheet (#60464) | incomplete |
| - |  |
Mongolia | 12/31/1998 | empty sheet (#60465) | incomplete |