Anton Joachim Christian Bruhn; Knackstedt & N鋞her; Finkenwerder Fischer; collodion paper; matt; black and white positive process; image size: height: 21.80 cm; width: 16.00 cm; inscribed: recto on the cardboard: in lead: photographer; Knackstedt & N鋞her; dating; title; stamp: verso and back on the box: artistic photography; portrait photography; reporting photography; full-length portrait; fisherman; angler; fishing tackle; fishing tools