Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
The Colt commander with that serial number was made in 1955.
What is the production year of a colt combat commander with serial number 70sc5572? Early 1972.
Can't find a serial number listed for combat commander starting with fos.
1998
1976
about 1978
1975
about 1972
1950
1969
1978
1976.