Could be the issued officer's initials and badge number.
If your Colt official police is chambered in .22cal?Then it was made in 1937.
your colt official police was made in 1958.
Made in 1929.
50-500 usd
Colt official police with serial # 904734 was produced around 1965
1940
1929
The production year is not stamped on a gun. It is the serial number that is used to tell which batch was made in a particular year. Go to: proofhouse.com for listings.
Type your answer here... Can you e-mail me at kdeeken@hotmail.com regarding the revolver?
1967
made about 1958
Manufactured in 1950