Billboards and signboards; For each permanent painted billboard or advertising sign, containing 260 square feet of advertising space or over, 60 cents; containing less than 200 and more than 9 square feet, 30 cents for each permanent billboard for displaying posters or other paper advertising containing 260 or more square feet, 30 cents; less than 260 and more than 9 square feet, 20 cents. Tax is paid by the person leasing or selling the advertising space on such bill or signboard.