1913 (22 Nov) a pair of picture postcards from Shanghai to the same address in USA, both f.w. US Presidential issue 1c, tied by USPA
1913 (22 Nov) a pair of picture postcards from Shanghai to the same address in USA, both f.w. US Presidential issue 1c, tied by USPA Shanghai type IX duplex. Dated earlier than the record of Meiso Mizuhara for this type of cds.1913.11.22 一對上海寄美國圖片明信片，收件地址一致，均貼美國總統像票1分，銷上海美國郵政代理IX型雙聯日戳。比水源明窗所記錄之IX型日戳最早日期更早。
