1932 Ulanbator (23 Jul) to Kalgan. Red band cover, f.w. revenue stamp surch 5 menge + 20 menge on reverse, tied by Ulanbator cds, alongside
1932 Ulanbator (23 Jul) to Kalgan. Red band cover, f.w. revenue stamp surch 5 menge + 20 menge on reverse, tied by Ulanbator cds, alongside with Manchouli frontier police bilignual censor mark.1932.7.23 烏蘭巴托寄張家口。紅條封，背貼印花稅票改值5 menge + 20 menge，銷烏蘭巴托日戳，旁鈐“滿洲里國境警察隊”中文俄文檢查章。
