there are far to many #s to be a proper serial #
1877 if it's a Single Action Army. Nothing special about the serial number.
The butt.
50-200
if it's a New Service model it was made about 1920
Made about 1972, 37 years old, for a Colt police positive special with that serial number
1967
Check the butt
Impossible to answer without a serial number. If you call Colt and provide the serial number they can tell you.
It was made in 1900 and the sn has no significance. Proofhouse.com has Colt sn data.
37 years old. A Colt police positive special with that serial number was made in 1972.
@1949/50
@ 35 years old