Any person whether as auctioneer or as a puffer of any auctioneer who shall violate the provisions of this chapter, shall be deemed guilty of a misdemeanor, and on conviction before any justice of the peace [magistrate] of the precinct where the offense shall have been committed, shall be fined in a sum not less than twenty-five [$25.00] nor more than fifty dollars [$50.00] and costs of prosecution, or by imprisonment in the county jail for no less than thirty days, and besides such person shall be bound to the person bidding at any such public auction and injured by the unlawful bidding of the auctioneer or his puffers in double the amount of the price of the articles such person bade on, to be recovered by civil action.