418306
1950
A Colt detective special with that serial # needs a letter either before or after it. Nothing that low before 1970
about 1936 (I believe)
1977.
I believe made about 1913
You will have to call Colt to find out.
Was produced in 1960.(750000-776399)
Colt Detective Special serial numbers do not end in two letters. If you are positive the last two are "RD", you need to call Colt.
your colt detective special dates to the year 1949 by the serial number provided.
Are you sure the serial number is correct? The Colt detective special was first produced in 1927 with a starting serial number of 331000,The Colt police positive special from which the Colt detective special was derived from with the serial number 153817 was made in 1918
what is the manufacture date of a .38 police positive special serial number b 81