No such sn in the Diamondback series
According to profhouse.com, it was produced in 1977
That was 1971.
Around 1968.
Around 1967.
That Colt python was produced in 1981.
You will need to call Colt to find out.
Made in 1967.Second year of production.
YOu need to call Colt
The records I have only go up to 1978 starting with D13901 so some time after that.
Your colt huntsman was produced in 1973.
Your Colt Lawman revolver was made in the year 1972.
Published data does not cover the 1991. You will have to call Colt.