cover 1849 (15 Sep.) entire written from a missionary in Ningpo to a coleague in U.S.A. and marked "12 forwarded" and redirected to "Troy N.Y." with the old address obliterated by bars h.s. in red and Checopee and New York c.d.s., very fine. At this time the number of foreign residents in Ningpo was less than twenty. Photo