Fab 500 I just read your comments and it correct. Your info comes from Maurice Forrissier's book "l'armurerie de St Etienne au 20 ieme siècle page 117. Estimated production is my opinion also close to reality. Raimey Chartres is an other region and not so close with St Etienne. French is my second language; so it is not difficult for me.
Cheers, Marc.