1923 and 1932 a pair of covers from Antung to USA, former f.w. Junk 10c and tied by Chinese PO cds while latter f.w. US 5c and tied by
1923 and 1932 a pair of covers from Antung to USA, former f.w. Junk 10c and tied by Chinese PO cds while latter f.w. US 5c and tied by Japanese Post cds but levied postage due. A good pair reflecting the before and after of Japanese invasion.1923及1932年一對安東寄美國封，前者貼帆船1角，銷中國郵局日戳。後者貼美國票5分，銷日本郵局日戳，並被視為欠資。反 映了日本入侵前後之郵政史。
