My dad has an old .357 Magnum revolver and we are Just wondering what It's worth. I cant find it anywhere online. It's a Smith and Wesson Model 586 stainless steel. The problem Is, I have been told by many that Smith and Wesson doesn't make a Model 586 In stainless. So what Is It, a misprinted 686? It's also 29 years old, Im not sure If they made a Model 686 back then though. My questions are, what is it, how much Is It worth? I will post pictures, also sorry If my Grammar Is off a litle bit, Im on my phone.