Around 1941 for Colt official police
A Colt official police special with that serial number ws made in 1947.
That Colt official police special was made in 1968.
1960
About 1951
Your colt official police was made in 1967.
1938
about 1957
1967
1950
about 1936
In 1951.
It was made in 1949.