ALS signed “Wm. H. English,” one page, lightly-lined, 5 x 8, December 19, 1859. Letter of introduction to Riggs and Company. In part: “Permit me to introduce my colleague & particular friend…who wishes to see you in relation to a matter of business.” In very good condition, with intersecting folds, show-through from docketing on reverse, and moderate toning and foxing. RR Auction COA.