cover 1882 printed "United States Consulate, Ningpo" envelope to Shanghai readdressed to Peking bearing wide margin 3 ca., cancelled by Tientsin seal and showing on reverse "U.S. CONSULATE/GENERAL/SHANGHAI" (17.10.82), "SHANGHAE/LOCAL POST" (17.10.82) and "CUSTOMS/TIENTSIN" (25.10.82) c.d.s., the first two in blue. A unique usage from Ningpo, the cover presumably carried privately through U.S. diplomatic channels and then out into the Local Post and Customs system in Shanghai. Photo