No unauthorized insurer through any estimate, illustration, circular, pamphlet, letter, announcement, statement or any other means or medium shall misrepresent to any person in this state its financial condition or the terms of any contract issued or to be issued by it or the advantages thereof, or the dividends or share to be received thereon. Whenever the superintendent has reason to believe that any such insurer is so misrepresenting, he shall notify the insurer and the insurance supervisory officer of the insurer’s domiciliary state or province by registered or certified mail.