Need serial number to answer. Go to proofhouse.com
about 1923
Was mfg'd in 1931.
proofhouse.com will give you the mfg date
You will have to call Colt
check at: proofhouse.com/colt/index.html
by the serial number
about 1915
1949
1906
No such Colt model
You must call Colt to find out.
Your colt was made in 1916.