You would need to include the overall condition of your revolver,the amount of original finish remaining,bore condition and serial number(to date and identify the correct model of revolver).Only then could a value be placed on the firearm in question.
50-275 or so
50-500 usd
50-1000 usd
With the brief description that you have supplied,I would say that you have a SMith and Wesson model of 1905 4th change revolver.
10-400 USD depending on specifics
What model?
50-500 usd
100-10000 USD depending on EXACTLY what you have.
Engraved and nickel plated Smith Wesson Model 29
60 or so
15-150 usd
You need the services of a gunsmith.