1900s a group of 10 Japanese military covers and postcards, showcasing postmarks of Tientsin, Tongku, Newchwang and scarce Yangtsun IJPO
1900s a group of 10 Japanese military covers and postcards, showcasing postmarks of Tientsin, Tongku, Newchwang and scarce Yangtsun IJPO cds. With Kenneth G Clark's exhibit pages.1900年代一組十件日軍軍郵封片，分別展示了天津、塘沽、牛莊及少見之楊村日本客郵局日戳。附Kenneth G Clark展頁。
