I am with Mykeal on Euroarms.
That means that you should find a maker's mark under the grips (You have to take them off) on the grip frame. It should be "DDG" (or is it "DGG"?) arranged in a triangle.
Means the manuf was Armi San Paolo who did a lot or Euroarms work.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson