It was made 1910-1921 (there is no
lettre annale); probably post-WWI with the 70mm chambers.
The barrels were made by Laurent Lochet-Habran
What are the 2 letters on the right barrel by the SN? J something?
Le Perron indicates inspection at
Banc d’Epreuves de Liege (Liege Proofhouse)
