Ad blocker detected: Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by disabling your ad blocker on our website.
Judging by the length of the screw, it would suggest that something would be sandwiched between the pieces of silver, so perhaps silver embellishments for the handle of a revolver.
That's correct appear to be small caliber revolver grips, there were a number of examples on the net. Niceguy if you take to your local gun store, if you live in the US, they would be able to match it with an approximate size of weapon.