It shall be unlawful for any person to distribute
posters, bills or sheets of paper of any description containing advertising
matter of any kind, whether printed or written, in any public street,
highway or public place, or to cause the same to be done by another;
provided, however, that this section shall not prohibit the distribution
of written or printed notices of a meeting of any recognized organization
of citizens if the contents of such notices are approved by the Mayor
or such other official delegated by him to act thereon.