Stock Photo: Historical pressure, 1875, portrait of Franz Ritter von Kobell, 1803 _ 1882, German mineralogist and writer, from the Illustrated History of German National Literature, by Gustav Koennecke, 1887

Stock Photo: 1848-717209 Historical pressure, 1875, portrait of Franz Ritter von Kobell, 1803 _ 1882, German mineralogist and writer, from the Illustrated History of German National Literature, by Gustav Koennecke, 1887