yes. bottom of grip. front part of trigger guard and on frame in front of trigger guard...........
A Colt government model .45 with that serial number was made in 1917.
Colt army .45 with that serial number was made in 1944 by Remington Rand for Colt.
Colt 1911 .45 serial # 171885 was manufactured in 1917.
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.
A Colt 1911 commercial .45 with that serial number was made about 1971
I think the Colt cowboy .45 came out after 1998.
You will have to call Colt
That Colt was made in 1891. Colt started with serial number144000 in 1992.
Colt model 1911 .45 commercial with that serial number was made about 1966.
You will have to call Colt with the serial number to find out.
Proofhouse.com has Colt serial number information you can use.