The date of manufacture is determined by the Colt model type and serial number. See: www.proofhouse.com/colt/index.html
Call Colt
What model?
Depends on the model and serial number.
Proofhouse.com has Colt sn data.
You can find out at Proofhouse.com in the Colt tables.
Proofhouse.com has Colt sn data.
1978
1922
Need to know what type of Colt to answer.
If your Colt is the 1911 military pistol, it was made in 1915.
made about 1923
what is the SERIAL NUMBER ??????????