You will need to provide more info on your Smith and Wesson to get a correct answer.Please add the model (29-1,29-2 Etc) and the barrel length,overall condition of the revolver,any engraving present,and bore condition to get a accurate value to your revolver.
50-500 usd
50-550 usd
50-675 usd
100-650 usd
50-5000 USD or more depending on specifics.
100-500 or so
100-500 USD
200-500 200-500
50-600 usd
100-1000 USD
ABOUT $400. The pre-war "Registered magnum" with paperwork is worth much more.
50-500 usd