Colt official police .38 serial # 905140 was produced in 1966.The year 1966 started with serial # 905100. Sorry,do not know the value.
Your colt official police was made in 1951.
That Colt official police was made in 1935,
Colt official police with that serial number was made in 1937.
Manufactured in 1930.
A Colt official police with that serial number was made in 1929.
Around 1941 for Colt official police
Your colt official police was made in 1967.
your colt official police was produced by colt in 1933.
1935
Your colt official police was made by colt in 1940.
A Colt official police special with that serial number ws made in 1947.
about 1931