Chaux-de-Fonds, Switzerland

Fritz Denni - Chaux-de-Fonds - 1888
Mark registered on the 10th April 1888

Fritz Denni - Chaux-de-Fonds - 1888
'F.R.'
Mark registered on the 3rd August 1888.

Fritz Denni - Chaux-de-Fonds - 1889
Mark registered on the 25th June 1889
Trev.