Any person who sells, offers for sale, trades or gives away any horse for the purpose of being worked, which could not be worked in this state without violating the provisions of § 53-247, or any person who leads, rides or drives an animal on any public highway for any purpose except that of conveying the animal to a suitable place for its humane keeping or killing or for medical or surgical treatment, which animal could not be worked in this state without violating the provisions of said section, shall be fined not more than two hundred dollars or imprisoned not more than six months or both.