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
Bayet Frères
This weapon, using an adjustable firing pin, is a patent filed by Falisse & Trapmann.
This one was obviously manufactured by
Bayet Frères
(for the US market?).
I could not find a
BF
patent for this innovation).
HPH