Need more specifics. There are the traditional models, made from metal, and there are newer models with polymer frames and metal slides. You need to research what type you want.
Smith and Wesson 9mm Model 39-2 Chrome finish.
50-400 usd
50-475 usd
it is a Model 39-2 9mm pistol
You can request a manual at the Smith and Wesson web site.
You can request or download a manual from Smith and Wesson's web site.
With no other information, 100-500.
0-400 usd
50-275 usd
No such model in the S&W line.
100-400 USD
1954-1982