The municipal device, for use by the varied unofficial interests of the city and its people, shall show a Y-shaped figure in a circle, colored and designed to suit individual tastes and needs.
All automobiles and other vehicles which are owned by the city, except those used by the commissioner of police, and the detective bureau of the department of police, shall be distinctly marked as the property of the city by painting or placing thereon in a conspicuous place, in such a manner that the same cannot be removed, the municipal device, together with the words "City of Chicago", and the name of the department operating the said automobile or other vehicle.
(Prior code § 2-7)