Mistaken post...sorry. I have two revolvers, and this is the serial of the Smith & Wesson .357 Magnum. I'll repost elsewhere.
A Colt peacemaker with that serial number was made in 1974.
A Colt peacemaker .22 model with that serial number was made in 1971.
1971
@1974
about 1973
About 1974.
1974
1971
@ 1973
Your Colt single-action army peacemaker would be 127 years old, made in 1885,
It was made in 1971.
1915