cover -- 1899 (7 Aug.) envelope addressed to New York bearing, on reverse, "C.I.P." 5c. (2) tied by pa kua and New York c.d.s. with Shanghai and Yokohama c.d.s. alongside, the face with Koban 10s. tied by Shanghai I.J.P.O. type VII c.d.s. and a fine strike of the "I.P.O." tieprint with Chinkiang bilingual c.d.s. in lower corner