Any person who shall willfully injure or destroy the property of exhibitors, visitors, or lessees on the fair ground, or shall hinder or obstruct the officers and police in the discharge of their duties, or shall wrongfully or maliciously gain admission to the fair ground contrary to the rules of said society, or fair, or without paying the established fees during any fair of such society, shall be deemed guilty of a misdemeanor, and upon conviction shall be subject to a fine of not less than 1 or more than 25 dollars, or imprisonment not exceeding 30 days, or such fine and imprisonment both, at the discretion of the court before whom the offender may be tried.