[Tennessee Dave]

Originally Posted by Drew Hause

One of the Janssen Brothers was Maurice if the initials are MJ.
https://www.littlegun.be/arme%20belg...nssen%20gb.htm
Janssen Freres and Fils were big tradename gun makers.

If you go back please check the action flats. Maybe chalk the initials on the barrels.

Looks like an NJ to me. If the gun is still there tomorrow I will get pictures of the receiver flats and the initials.