You will have to call Colt or provide the serial number.
To determine the year of manufacture for a Colt 1911 .45 based on its serial number, you'll need to reference Colt's serial number charts. The Colt 1911 was produced from 1911 onward, and the serial numbers were assigned sequentially. For example, serial numbers starting with "C" typically indicate a production year in the 1940s. For a precise year, consult a detailed Colt serial number lookup or Colt's records.
With the serial number that you have provided,your Colt Model 1911 was made by Colt in the year 1918.
Your Colt model of 1911 dates to the year 1918,with the serial number that you have supplied.
You will have to call Colt
My Colt records do not show any 1911 model with a serial number starting with SS.
A Colt 1911 commercial .45 with that serial number was made about 1971
Proofhouse.com has Colt sn data.
Proofhouse.com has Colt sn data.
about 1925
1917
@1913
Can't be answered without the serial number.