About 1933.
A Colt official police special with that serial number ws made in 1947.
That Colt official police special was made in 1968.
About 1951
1960
Around 1941 for Colt official police
Your colt official police was made in 1967.
about 1957
about 1936
In 1951.
1938
1958
It was made in 1949.