Call Colt and they will tell you.
The age and value of a colt .45 peacemaker serial 180356 are about 1900
Your .22lr Peacemaker was made in 1975.
Proofhouse.com
@ 1971
Your Colt single-action army peacemaker would be 127 years old, made in 1885,
Colt .45 The colt model p had the nickname the peacemaker.
Proofhouse.com has sn data.
A Colt peacemaker .22 model with that serial number was made in 1975. About 36 years old.
Colt data at Proofhouse.com
value of 3220 colt pistol
Hartford conn.usa
Impossible to answer. Only Colt knows.