Stereoskopisches Bild NY 28/18 (MR) , by ludwig wilding , 1979 , abstract , Op Art style
A black and white picture of a zebra print on a wall.
 of a window. The window has a black frame. In the center of the window there is a filter. The filter is white and has black lines on it. The lines are evenly spaced. The frame is made of wood. The wood is a dark gray color.