Sheets of Mongolia, 1965
| Issuer | Date | Desc | State | ||
| - |  |
Mongolia | 5/1/1965 | Stamp Exhibition, Vienna, sheet of 1 type | incomplete |
| - |  |
Mongolia | 12/20/1965 | 100th Anniversary of ITU, sheet of 1 type | incomplete |
| - |  |
Mongolia | 12/20/1965 | 100th Anniversary of ITU, empty sheet (#16769) | incomplete |