Reinforcing the possibility that BD was a controller in the civilian proof house is this article on Military revolvers produced in the 1870's for Manufacture d'Armes de Saint Etienne (MAS), the government run military arms factory win Saint Etienne.

https://www.revolver1873.fr/marquages-poincons-1873.php

The military used a separate proof system and mark.

[Linked Image from i.imgur.com]

Each proofer had his own mark that was placed on the military arm.

Last edited by Argo44; 11/13/22 02:03 PM.
Baluch are not Brahui, Brahui are Baluch