With the serial number that you have provided,your Colt Model 1911 was made by Colt in the year 1918.
Your colt was made in 1912.
It was made by Colt in 1944.
That Colt ds was made in 1975.
Your Colt was made in 1977.
The Colt MK4 Series 70 models were manufactured from 1970 until 1983. I'm sorry, but I couldn't find any information on that specific gun.Colt Firearms provides this service. See the link below for information.
Your colt police positive was made by colt in 1930.
Your colt police positive was made by colt in 1935.
what model colt ????????????
Your colt was made in 1957.
You will need to call Colt.
You will have to call Colt to find out.