[Edit] 
Answer
I'll go out on a limb and guess that this is Fredrick Williams, an English gun maker from 1873 to 1929. Wouldn't know if he was a top-tier maker of custom guns worth thousands or a jobber cranking out utility pieces, but probably somewhere between and the value will depend on the gleam it creates the buyer's eye.
First answer by Dean Vandenakker. Last edit by ID1125069366. Question popularity: 151 [recommend question]
