Topography -- Group of 4 views by different artists of the 19th century: view of Bingen on the Rhine, pencil on paper, dated 1860, view of a village in a gorge with bridge tower, pencil on paper, bottom right indistinctly inscribed, attribution to Eduard Lichtenfels (1833-1913), view of a small settlement in an Alpine valley, ink brush drawing, frz. dated Julliet 1834, attribution to C.F. Lessing, as well as anonymous watercolor with a bird's-eye view of a town with a four-towered monastery building, each with the collector's stamp of Erhard Kaps (1915-2007), on backing cardboard up to 47 x 35 cm