Proofhouse.com has Colt sn data.
brand new it would be worth 750$.
1923
3220
You will have to call S&W to find out.
not 100% sure, but made about 1905
3220
20-100 USD or so
value of 3220 colt pistol
I assume your colt is a pre-war SAA 32/20 cal. Ser# 208774 made in 1902
With the brief description that you have supplied,I would say that you have a SMith and Wesson model of 1905 4th change revolver.
3220
3220.