No person shall place and cause to remain for more than thirty days any sign, advertisement, notice, picture, drawing, emblem, poster, printing or writing, other than those placed and maintained in pursuance of law, on or to any stone, rock, tree, fence, stump, post, pole, building or other structure, which is in or upon the right of way of any City street, including the street itself, except that the City may provide for suitable road signs, danger signals and other signs of informational nature. Such devices which are intended to invite or draw attention of the public to the candidacy of any person for any public office, shall be subject to the prohibitions herein only when any such device so remains placed or affixed for more than thirty days after the date of the election in which the person is a candidate. Any such device so remaining shall constitute prima facie evidence that the person whose candidacy appears thereon has violated this section.
(1960 Code 9-309)