Some of the most beautiful work of this craftsman, and many others, are in this book “Liège Gunmakers through their Work. 1800 - 1950”.
For more detail see: LIEGE GUNMAKERS
Henri Pieper
No the doubt, it acts well of a revolver of Henri Pieper between 1886 and 1889 (1st or 2nd model without side lever of safety).
The rod of extraction does not seem origin.
Michel
