Andy Warhol sought out O’Keeffe in the late 1970s and early 1980s, meeting her first at Ghost Ranch and then in New York. On one visit he took Polaroid images of her that became the basis for a silkscreened and painted portrait, noting his in diary that “Georgia was wearing a black thing around her head.” He finished off the silkscreened image with diamond duet to make the surface of his celebrity subject sparkle. (https://designlifenetwork.com/georgia-okeeffe-living-modern-virtual-tour/)