Your colt huntsman was made by colt in 1967.
made about 1957
Proofhouse.com has Colt sn data
If it is 079436S, then around 1975 or so.
1958 by R.L. Wilson's book.
You will need to call Colt.
1970
Proofhouse.com has Colt sn tables.
If your colt is the thunderer model (you do not say) then it was made in 1902.
Need more information. What type of Colt is it?
made 1917
made about 1917
made 1918