U.S. Postal Agcy, Shanghai, Jan 12, clear strike of cds on circa 1874 cover to Salisbury N.C. bearing 10¢ brown (150) horizontal pair tied by two bold strikes of circle of wedges cancels prepaying double the 10¢ transpacific rate, carried by PMSS New York from Shanghai Jan. 12th to Yokohama arriving Jan. 20th, then PMSS Japan departing Yokohama Jan. 23rd to San Francisco arriving Feb. 12th, a clean and Very Fine double-weight use from Shanghai. Estimate  $400 - 600. $0 (Image)