It shall be unlawful for any person to place, maintain or display any device, other than an official warning or direction sign or signal authorized by statute or ordinance, upon or in view of any street, if such device purports to be or is an imitation of an official warning or direction signal or sign, or directs or purports to direct the movement of traffic. Any such unauthorized device is hereby declared to be a nuisance, and may be removed by the village chief of police. (Ord. 143, 2-10-1954; amd. 1976 Code)