PAWNBROKER: Every person who makes it a business to loan money on deposit or purchase of personal property or other valuable thing on condition of selling the same back again at a stipulated price, or who loans money secured by chattel mortgage or personal property, having possession of the property, or any portion or part thereof mortgaged or who advertises by use of "Three Ball", or pawnbroker's sign or by advertising "undeemed pledges", or by using the term "uncle", or by any other expression designating pawnbroker's business, shall, for all intents and purposes under this Chapter, be declared to be a pawnbroker.