No way to answer without the serial number.
Your Colt huntsman was made in 1955.
your colt huntsman was made by colt in 1956.
Your colt huntsman was produced in 1973.
Your Colt huntsman was made in 1969.
A Colt huntsman witrh serial number 93607C was made in 1955.
Colt huntsman serial # 149624-C was produced in 1961.
about 1974
Proofhouse.com has Colt sn data.
Your colt was made in 1957.
Your serial number indicates that your Colt Huntsman was one of the last 500 made in the year 1957.
1959
1964