based on serial number your 1911 was made by Colt in 1919. you probably have a Springfield slide on your 1911 causing you to think it's a Springfield. Not unusual for 45's to have the wrong slide.............
Colt made your 1911 in 1918. the springfield slide is incorrect but not unusual.
your springfield 1911 was made in 1914
your 1911 was made by Colt in 1914. if your slide is marked 'springfield' it is the wrong slide for your Colt 1911. however, the wrong slide in use is not unusual.
Your 1911 serial number indicates your 1911 was made by Colt in 1918.
made 1914 by Colt. not unusual to see springfield slide on a Colt frame
Springfield M1903.
Need more information.
your 1911 was made in 1913 by Colt or Reington Rand. a springfield slide was put on your Colt frame which is not unusual...
No published sn data. You will have to call Springfield Armory
your springfield 1911 was made in 1914
your 1911 was made in 1912 by Colt or Remington