The J. Paul Getty Museum
J. B. Hilsdorf
License, verbatimCC0
The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
J. B. Hilsdorf. Bingen am Rhein (recto); [Man swimming, possibly R.M. Schmidt] (verso), about 1865 (recto); about 1930 (verso). The J. Paul Getty Museum.