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
Tanner CHs
I found the firm TANNER & Cie, registered with the proofhouse of Liege of 1857 to 1871 like one named TANNER Ernst (1892/1912) directing of the branch and manufactures weapons TANNER of LIEGE!
GG