No way to answer without the serial number.
Yes
With the serial number that you have provided,your Colt Model 1911 was made by Colt in the year 1918.
colt D.A. .38 pat. 9-19-1871
That Colt ds was made in 1975.
Your colt was made in 1912.
It was made by Colt in 1944.
Your Colt was made in 1977.
Your colt police positive was made by colt in 1935.
Your colt police positive was made by colt in 1930.
what model colt ????????????
You will have to call Colt to find out.
You will need to call Colt.