China - U.S. Offices, 1899 Russian Offices in China. 1k orange (Scott #1) horiz. pair and 3k carmine (Scott #3) horiz. strip of 5 and single all tied to 1900 cover to U. S. by multiple strikes violet double circle cancel in Russian; additional Shanghai I.J.P.O.; 4 different postmarks on back; with original letter from Chefoo, fresh and F.-V.F., extremely scarce. Estimate  $300 - 400. $0 (Image)