The Rocky Mountains. Emigrants Crossing the Plains, 1866. (G. 5633). Large format lithograph with hand-coloring heightened in gum arabic, printed on very thick wove paper, matted and framed, 600 x 783 mm sheet. Minor toning from matting, a few very minor spots not affecting image, otherwise very bright, discreet dealer pencil annotation recto.  VERY RARE: According to online records, only one example of this print has sold at auction in the last 60 years.