Marquee, awning or canopy signs. Marquee, awning, or canopy signs affixed flat to the surface of the marquee, awning, or canopy are permitted providing that the sign does not extend vertically or horizontally beyond the limits of said marquee, awning, or canopy. A marquee, awning, or canopy may extend to within one (1) foot of the vertical plane formed by the curb. A name sign not exceeding two (2) square feet in area located immediately in front of the entrance to an establishment may be suspended from a canopy provided that the name sign shall be at least ten (10) feet above the sidewalk.