Wells Fargo & Co.s Express/San Francisco. Red double oval with matching "Paid" handstamp on 1852 folded cover to New York with black "Boyd's City Express Post" oval handstamp for local New York delivery, two light vert. file folds affecting markings, Very Fine, a rare cover showing the 1st type Wells, Fargo & Co. marking & Boyd's handstamp. Estimate  $300 - 400. $0 (Image)