"Pawnbroker" means any person who loans money on deposit of personal property, who deals in the purchase of personal property on condition of selling the same back again at a stipulated price, who makes a public display at his place of business of the sign generally used by pawnbrokers to denote their business, to wit: three gilt or yellow balls," who publicly exhibits a sign of money to loan on personal property or deposit." (Prior code § 11-04-038)