No person shall place a sign or display any other device which offers for sale, lease, assignment, transfer, or other disposition of any real property used for the purpose of housing, if the sign, display, or device is designed to stimulate the belief that a bona fide offer is being made to sell, lease, assign, transfer, or otherwise dispose of the property, when in fact such property is not being offered for the advertised sale, lease, assignment, or transfer.