The board of supervisors may appropriate moneys, not exceeding an amount equal to one mill of the real estate tax, to any nonprofit art corporation for the conduct of its artistic and cultural activities. For the purposes of this section, the term “nonprofit art corporation” means a local arts council, commission or coordinating agency or any other nonprofit corporation engaged in the production or display of works of art, including the visual, written or performing arts and the term “artistic and cultural activities” includes the display or production of theater, music, dance, painting, architecture, sculpture, arts and crafts, photography, film, graphic arts and design and creative writing.