A group of 3 Nepalese merchant covers privated carried by Yizhan to Lhasa during Qing Dynasty, showing the name of the addressee and
A group of 3 Nepalese merchant covers privated carried by Yizhan to Lhasa during Qing Dynasty, showing the name of the addressee and Postage Paid annotation by ink-brush on reverse. Carriage of private mails by Yizhan was prohibited but the rule was ignored by the couriers for the sake of profit.清朝廓爾喀民信一組三件，經驛站私遞至拉薩，背面寫有“大木松他收”及“酒資照付”批注。清朝驛卒往往不顧禁令私遞民信。
