Temporary signs concerning the original public sale of property in a subdivision tract are permitted in all zones; provided that:
(A) All such signs must be located on some portion of the land being advertised for sale.
(B) Each sign shall not exceed a total area of 150 square feet.
(C) There shall not be more than one such sign for each 500 feet of street frontage in the tract, and a total of not more than 10 such signs.
(D) Along any street the signs shall be spaced not less than 150 feet from each other.
(E) Such temporary signs may be permitted in required yard setbacks; provided, they are not less than 10 feet from any street property line.
(F) No sign shall exceed a height of 15 feet above the natural grade of the site.
(G) Such signs shall be indirectly lighted and all lights shall be placed so as to not cause undue light or glare on surrounding property or streets.
(H) Signs shall be removed within 30 days after completion of sales activities in connection with the property or tract to which they pertain. To insure said removal, a faithful performance bond sufficient to cover cost of removing and disposing of said signs shall be posted with the city prior to erection of said signs.
('64 Code, § 55.07) Penalty, see § 10.97