On-premises used for residential purposes, a sign or signs identifying the resident or the street address, or both, and no such sign shall have an area of more than two square feet, nor shall the aggregate square footage of such signs, if there be more than one, exceed three square feet in area.

On-premises used for residential purposes which contain a professional office, in addition to the sign or signs, permitted by Subsection a, a professional announcement sign, the dimensions of said sign not to exceed eight inches by 20 inches.

On-premises used for church, hospital, library, museum, or other charitable purposes allowed by the Zoning Ordinance of Midland Park, New Jersey, a sign referring to the premises upon which it is located or displayed or to the activities carried on therein, not to exceed 16 square feet in area, whether affixed to the structure or freestanding, said sign to be permitted in addition to any sign allowed under Subsection a above.