Gerhard Sipmann, German, 1790 to 1866, mixed media, watercolor and pencil, painting on paper depicting a forest landscape. Signed lower right. Circa: early 19th century. Franz Gerhard Joseph Sippmann, also Sipmann or Siepmann was a German draftsman, arabesque, portrait and landscape painter and art teacher of the Bavarian Cadet Corps. One of a kind artwork.