about 1977
1975-1976
10-1000 USD depending on specifics
The age and value of a colt .45 peacemaker serial 180356 are about 1900
Proofhouse.com has Colt sn data.
You will have to call Colt or provide the serial number.
Manufactured in 1975.
1978
50-575 usd
Based on the records I have, that Colt commander was made in 1977.
Yes, that's what the "LW" in the serial number means.
Without the actual serial number, the Colt combat commander .45 with the suffix LW was made in the period between 1950 & 1968