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.
What model?
50-275 or so
50-500 usd
100-10000 USD depending on EXACTLY what you have.
Engraved and nickel plated Smith Wesson Model 29
50-500 usd
You need the services of a gunsmith.
Factory option.
brand new it would be worth 750$.
10-400 USD depending on specifics
50-500 usd