cover 1896 (19 July) "Compagnie des Messageries Maritimes" envelope from Shanghai to Peking bearing a fine strike of the double framed "PAID" in red partly obscured by Dowager 3ca. tied by Tientsin seal in blue; the reverse bears Shanghai Local Post c.d.s. and Customs datestamps for Shanghai, Tientsin and Peking. Very fine and rare. Paul Chang type 3A. Photo