your colt official police was made in 1928,as to value these colts do not bring much between 145 dollars for a specimen in 10% original condition,up to 350 dollars for a fine specimen in 90% original condition.
Colt official police with that serial number was made in 1937.
Your colt official police was made in 1951.
That Colt official police was made in 1935,
A Colt official police with that serial number was made in 1929.
Manufactured in 1930.
1941
1935
A Colt official police special with that serial number ws made in 1947.
Around 1941 for Colt official police
Your colt official police was made in 1967.
your colt official police was produced by colt in 1933.
about 1931