Jerry,
The barrels have a Krupp mark, on the underside I also see what seems to be a "?ssen" which I believe to be Janssen. On the tang I can see SPI.
In 1898 Neumann Freres, Janssen fils & Cie, and F. Dumoulin & Cie formed Syndicat des Pieces Interchangables. This was done to standardize the manufacturing tolerances of sporting arms. Shortly after forming, they turned it over to Fabrique Nationale. Not surprising as many of them had been founders of FN.
http://www.littlegun.be/arme%20belge/art...eables%20gb.htmPete
