Proofhouse.com has Colt sn data.
1976
Colt combat commander with that serial number was produced in 1968.
about 1973
1977
@39 yrs old
Proofhouse.com has Colt sn data.
You will have to call Colt or provide the serial number.
Colt combat commander with sn 10555LW was produced in 1951.
around 1980.
@ 40 years old. Call Colt and they can narrow it down
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
You will have to call Colt. The sn you provide does not follow normal conventions.