Your colt was made in 1957.
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.
Colt huntsman serial # 149624-C was produced in 1961.
A Colt huntsman witrh serial number 93607C was made in 1955.
about 1974
Proofhouse.com has Colt sn data.
Your serial number indicates that your Colt Huntsman was one of the last 500 made in the year 1957.
1964
1959
Made about 1975.