It shall be unlawful for any person to maintain or display upon, or in view of any street, any unofficial sign, signal, or device which purports to be, is an imitation of, or resembles an official traffic sign or signal which attempts to direct the movement of traffic, or which hides from view, or interferes with the effectiveness of any official sign or signal. Every prohibited sign, signal, or device is hereby declared to be a public nuisance, and any police officer is hereby empowered to remove the same, or cause it to be removed, without notice.
(Neb. RS 60-6,127) (1972 Code, § 5-604) Penalty, see § 70.99