Homogene Struktur mit positiven Elementen , by gerhard von graevenitz , 1961 , abstract , Op Art style , Rectangle
A piece of paper with dots on it hanging on a wall.
A square piece of artwork is displayed on a white wall.  The artwork is composed of two panels, one on top of the other.  Each panel has small black dots on a beige background.  A thin metal frame is at the bottom of each panel.