I am trying to help a guy who has what looks like a 44 magnum pre 29. I am away from my home town and don't have my S&W 3rd edition with me and can't look up the serial number for the gun. My friend is in Missouri and has sent me some pictures. I will attach what I have and maybe someone can help me on the production year and give an opinion on the rear sight. The gun is a S&W 44 magnum, 4 inch barrel, nice diamond target grips, target hammer and trigger. It has a red ramp front sight. The serial number is S 181002 and is on the grip frame and on the rear of the cylinder and on the crane. I hope the pictures turn out. The rear sight blade is quite odd and almost looks like it is upside down in the groove. I only have pictures and have never seen the gun. Any help you can give me is appreciated.