Colt model 1911 .45 commercial with that serial number was made about 1966.
The government issued Colt with that serial number was manufactured by Colt in 1942.
The government model with that serial number was made by Colt in 1944.
A Colt government model .45 with that serial number was made in 1917.
That Colt model 1911 was a commercial model, not a government model and based on the serial number, it was made in 1947.
The Colt 1911 government model with that serial number was made in 1919,
The Colt government 1911 .45 with that serial number was made in 1944 by Remington Rand
A Colt semi-automatic .45 government issue with that serial number was made in 1919.
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You must call Colt
The records I have show a Colt government model with that serial number as being made in 1914 by Springfield Armory under contract with Colt Mfg. Co.
1912
Colt will provide a historical letter for a fee.