79. In any action or prosecution against a defendant accused of having carried on the business of an auctioneer without the license required therefor by this division, the following shall be primafacie evidence of the auction sale:
(1) The fact of having placed publicly, to be bid upon, any article, merchandise or property, moveable or immoveable, before an assemblage of persons in order to induce them or any of them to purchase the same;
(2) The publishing in any newspaper or hand-bill of a notice of an auction sale by the defendant;
(3) The exhibition in, on or near his house or dependencies, of any sign, printed matter, painting or writing, indicating, or of a nature to indicate, that he intends acting as an auctioneer, or the fact that such has been exhibited with his knowledge or consent.