Copper engraving, 480 x 660 mm, in original outline colour, dissected and mounted on linen, folding into the original publisher’s slipcase, with paste-on title sheet, incorporating key, scale bar and heights of mountains; a second label is a brief Keller stock-list, 1819.
With four insets, including a sketch map of the road from Basle of Strassbourg and Paris, a second of the roads into Lombardy and a third a map of the roads north-west to Ulm, Augsburg and Munich.
