1943 and 1944 a pair of US Army PO covers from Yunnan to USA, applied with APO No. 488 and no. 627 cds. Former operated in Yunnanyi while
1943 and 1944 a pair of US Army PO covers from Yunnan to USA, applied with APO No. 488 and no. 627 cds. Former operated in Yunnanyi while latter in Kunming. 1943及1944年一對駐雲南之美國陸軍郵局封，分別鈐陸軍488及627局日戳。前者駐雲南驛，後者駐昆明。
