It is unlawful for any person to place in any newspaper, magazine, handbill, or other publication any advertisement, or to display on any poster, readerboard or billboard or sign of any sort, knowing, or under circumstances where one reasonably should know, that the purpose of the advertisement or display, in whole or in part, is to promote the sale of any object designed or intended for use as drug paraphernalia. Any person who violates this section is guilty of a crime and upon conviction may be imprisoned for not more than 90 days, fined not more than $500.00, or both. (Amended by Ord. 80-111, Dec. 15, 1980).