Proofhouse.com has Colt sn data.
Your colt was produced in 1971.
about 1973
Impossible to answer without the serial number.
1972
about 1958
From the records I have, the Colt frontier scout .22 Q model was produced in 1967. (210500F-223199F) about 1967
A Colt peacemaker .22 model with that serial number was made in 1975. About 36 years old.
about 1971
1975
Proofhouse.com has Colt sn data.
Your colt frontier scout was made by colt in 1959.
you will have to call Colt. the sn you list does not follow the standard numbering procedure.