1900s a group of 4 Peking and Shanghai Russian PO covers, featuring Port Arthur-Dairen route, postage due combination etc. Please view.
1900s a group of 4 Peking and Shanghai Russian PO covers, featuring Port Arthur-Dairen route, postage due combination etc. Please view.1900年代一組四件北京及上海俄局封片，反映了旅順大連郵路、混貼欠資票等特色，請預覽。
