There are many different models that were produced in .36 caliber so you will have to narrow it down some. try here after doing that. http://proofhouse.com/colt/
about 1904
50-90 or so
1912
1910
1911
1871
2006
what model, caliber. ????????
Caliber should be on the barrel. SN's were not required until 1968
Early 1930s
No such S&W model number.
What model .38?