1966
1953
You will have to call Colt to find out.
Late 1980s or early 1990s
Your light weight commander was produced in 1978.
You will have to call Colt. Published serial numbers stop at 1978
1968
Produced about 1950.
The records I have show a Colt combat commander with serial number CLW0015879 as being produced in 1972.
1968
If it is CLW0037116,it was after1978
Sometime after 1951 .