Recently a purchased a Carcano m91/38 Fucile Corto from a local gun store, Terni dated 1940. One thing that confused me is the lack of serial numbers on the stock or the bolt, however there is a serial number on the reciever. I am making this post because I am curious as to why serial numbers may be absent in these locations. I have attached some pictures including ones of some markings on the rifle. This is my first post on the forum so if this is the wrong place for this discussion, I apologize and can move it or remove it. Thanks for reading.