Impossible to answer without the serial number.
You will have to call Colt and give them the sn.
What is the age of a Colt rifle serial SLD25319
You will have to call Colt with the serial number to find out.
What is the age of a Colt Cobra with a serial number 58472-LW
Proofhouse.com has serial number tables for Colt.
The age and value of a colt .45 peacemaker serial 180356 are about 1900
That Colt was made in 1891. Colt started with serial number144000 in 1992.
You will have to get it lettered by Colt
You will have to call Colt
You will have to call Colt since you did not provide the serial number.
No such serial number for a Colt 25 ACP
80750D