Hello,
A family member recently acquired a .38 Special revolver in good condition with original blue, decent barrel spiral, checkered walnut grips, and a k-frame. Unfortunately, the rivet holding the hammer's nose in fell out, and identifying the firearm and the replacement part has proven difficult. I've searched the standard catalogue, but couldn't find anything useful.
The serial number is K 79615, and the frame has the number 42277 stamped where the cylinder yoke rests. It looks similar to a .38 Outdoorsman or a Model 14.