for one it has 2 3/4in chambers...which is strange because I only see Black powder proofs....seems like it was made pre 1923..looks like a basic Belgian made extractor BL....Id have the screw slots cleaned up..find a screw for the rear of the tang...have the action cleaned....and take it hunting with appropriate loads....
A 2 3/4in chamber gauge does not seem to fully seat at that length, so it was surmised to be 2 1/2in.
We have the rear tang screw, it was just taken out before I started snapping the pictures.
The gentleman who owns it said it was brought back from "over there", but he acquired it used.