No serial number provided.
1904
An 1877 Colt lightning double action revolver with that serial number would be 110 years old, made in 1902.
1896
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
If that is a lightning large frame express, it was the 4th one produced in 1892 (5700-5999)
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