No person shall post, stick, stamp, paint or otherwise attach any notice, placard, bill, card, poster or advertisement to or upon any sidewalk, curb, or any portion or part of any public place, or to or upon any electric light, telegraph or telephone pole, trolley line pole, hydrant or tree, or to or upon any public structure or building, except such as may be authorized or required by the laws of the United States, the state or the ordinances of this city.
(`78 Code, § 5.20.020.)