50-500 usd
You need the services of a gunsmith.
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
100-10000 USD depending on EXACTLY what you have.
the model 36 did come nickel finish. I had one. But don't recall seeing any with the shroud
Engraved and nickel plated Smith Wesson Model 29
50-500 usd
brand new it would be worth 750$.
10-400 USD depending on specifics
Factory option.