Sheets of Mongolia, 1972 incomplete
| Issuer | Date | Desc | State | ||
| - |  |
Mongolia | 1/20/1972 | empty sheet (#16789) | incomplete |
| - |  |
Mongolia | 4/16/1972 | empty sheet (#16790) | incomplete |
| - |  |
Mongolia | 5/10/1972 | 100th Anniversary of Discovery of Wild Horse Species by Nikolai Przewalski, sheet of 1 type | incomplete |
| - |  |
Mongolia | 7/30/1972 | empty sheet (#16792) | incomplete |
| - |  |
Mongolia | 10/1/1972 | empty sheet (#16793) | incomplete |
| - |  |
Mongolia | 11/7/1972 | empty sheet (#16788) | incomplete |
| - |  |
Mongolia | 12/15/1972 | empty sheet (#16794) | incomplete |