cover CHUNGKING: 1897 (19 Nov.) envelope addressed to U.S.A. bearing "I.C.P." 5c.tied by Chungking dollar chop with Koban 5s. alongside cancelled by Shanghai I.J.P.O. c.d.s., with Chinese and U.S. "T" handstamps with "U.S. CHARGE 5 CENTS/TO COLLECT" and transit c.d.s. on reverse via Yokohama; bears U.S.A. 5c.Postage Due which does not belong, faults