Keywords: Jacob Martin Bing by Jens Petersen 02.jpg Jacob Martin Bing 1833-1903 Danish businessman http //www kb dk/PortraetRegT/PortraetShowImg do ID 62524 IMGID 2636 s 1880 -1890s creator Jens Petersen PD-old-100 Jacob Martin Bing Files from The Portrait Collection of the Danish Royal Library Jens Petersen photographer |