Lot 3403

1934 Weisi (12 Apr) to USA, f.w. London 2nd Print SYS London ovpt. Limited For Use in Yunnan 25c (Chan Y39), tied by Yunnan Weisi cds. Transit Likiang (16 Apr), Yunnanfu (27 Apr). It is the only recorded commerically used cover f.w. SYS London ovpt. Limited For Use in Yunnan issues from the Tibetan Area of Yunnan. Very rare.

1934.4.12 維西寄美國，貼倫敦二版孫像倫敦加蓋限滇省貼用2角5分（陳目Y39），銷雲南維西腰框日戳。4.16經麗江，4.27經雲南府。此為出自雲南藏區，並貼用孫像倫敦加蓋限滇省貼用票之唯一實寄封。罕。《郵史研究》第三十期原件。