1856 (May) Official Yizhan mail from the Commander of Garrison, Tingari to the Nepalese Prime Minister, applied with the commander red
1856 (May) Official Yizhan mail from the Commander of Garrison, Tingari to the Nepalese Prime Minister, applied with the commander red seal. The content was about the Tibet-Nepal Treaty. 1856.5 駐防定日守備寄廓爾喀王之驛站公文信件，鈐“駐防定日專備”紅戳。內容與1856年《藏尼條約》有關。
