cover 1870 (30 July) envelope from the Consul General of the United States to Ohio bearing 1869 3c. (a second adhesive has been removed and 1869 15c. put in its place) tied by a cork cancel and shows a good strike of "U.S. POSTAL AGENCY SHANGHAI REGISTERED" c.d.s. and "P.O.D. U.S. CON. GENL./SHANGHAI", fine and scarce