It shall be unlawful for any person to erect or maintain alongside, or in plain view of, any public highway any false or misleading sign of any kind or character purporting to furnish travel information relating to place or direction. It shall be unlawful for any person to erect or maintain alongside, or in plain view of, any public highway any sign of any kind or character purporting to furnish travel information relating to merchandise or services unless the design of such sign, the information thereon, and the location thereof are approved in writing by the Commissioner of Highways, provided that the provisions of this section as to merchandise and service shall not:
1. Apply to or restrict the right of any person to post, display, erect, or maintain on any store, dwelling house, or other building, together with so much land therewith as shall be necessary for the convenience, use, and enjoyment thereof, or on any mercantile appliances, contrivances, or machinery annexed or immediately adjacent thereto, any sign advertising goods, merchandise, real or personal property, business services, entertainment, or amusements actually and in good faith manufactured, produced, bought, sold, conducted, furnished, or dealt in on the premises;
2. Limit or restrict the publication of official notices by or under the direction of any public or court officer in the performance of his official or directed duties;
3. Limit or restrict notice of sale by a trustee under a deed of trust, deed of assignment, or other similar instrument; or
4. Apply to or restrict the right of any property owner or his agent, lessee, or tenant to maintain any sign offering to the public farm products, including livestock of every kind, or board or lodging or similar entertainment, or the sale, rental, or lease of the property. Nothing in this section shall limit the right of any person, firm, or corporation to erect signs that advertise natural scenic attractions in the Commonwealth.