Black Light Painting (Glitter Series) , by mary corse , 1975 , abstract , Light and Space style , Tile, Rectangle, Pattern
A black and white picture of a cross.
A black square with white squares on either side of it.  The squares are arranged in a cross shape.  There are small specks of black throughout the square.  All of the squares are white.  A white border around the square is around the edges.