The price (exclusive of the tax to be paid by the person paying for admission) at which every admission ticket or card is sold shall be conspicuously and indelibly printed or written on the face or back of that part of the ticket which is to be taken up by the management of the place to which admission is gained; and it shall be unlawful for any person to sell an admission ticket or card on which the name of the vendor or the price is not so printed, stamped, or written, or to sell an admission ticket or card at a price in excess of the price printed, stamped or written thereon. (Prior code § 4.50.120.)