This is a Smith & Wesson .38 Military & Police Model of 1905, Fourth Change, Hand Ejector, chambered for the .38 S&W Special cartridge. This firearm was manufactured before the start of WW II,(pre-war). S/N mumber puts it about 1926.
Gun is Nickle Plated and came out of an estate sale in the UP. It was own by a Sheriff and when he past away it was stored.
You would be hard pressed to find a better one. The gun is tight.