KALISZ, WARSAW - Zewald. Portrait of a boy with a small child, pasted on cardboard, ca. 1875, photo frontispiece, at bottom signed ZAKŁ. PHOTOGR. STAN. ZEWALD, on verso advertisement of photo establishment: Traveling Photographic Establishment of Stanislaw Zewald formerly a subsidiary of Zakl. Fotogr. Kloch and Dutkiewicz of Warsaw; st. bdb.; photo size approx.55x90mm .
Stanislaw Zewald initially worked at the Kloch and D utkiewicz branch in Kalisz. In 1869 he took over their premises and photography technique. These have all the characteristics of Kloch and Dutkiewicz's photographs.