[Mountain Landscape]. 1832. Watercolor on paper, signed and dated "Rouppe van der [?] 1832." In the style of Mattheus Derk Knip (1785–1845). 48.5 x 61 cm. Condition B (a tear extending 5 cm into the subject on the left, previously restored; a small missing section filled in at the bottom right of the subject; a few stains in the margins, more numerous on the reverse; signs of handling; adhesive residue on the reverse).