(a) It shall be unlawful for any person:

(1)     To park or place any automobile, truck, trailer or other vehicle upon or in

         any street, alley or parkway for the purpose of selling or offering the same

         for sale or rent;
(2)     To attach or place any sign or lettering upon any automobile, truck, trailer or other

         vehicle parked in or upon any public street, alley or parkway indicating that such

         vehicle is offered for sale or for rent;
(3)     To park any vehicle from which any merchandise is being sold upon any street in

         a business district;
(4)     To stop a vehicle at any time upon the highway for the purpose of advertising

         any article of any kind, or to display thereupon advertisements of any article

         or advertisement for the sale of the vehicle itself. (3-13-69; 1961 Code, § 16-123.)