Graphic print with lined circles

The graphic sheet on white paper is mounted under glass in a narrow black frame. Vertical and horizontal black lines form three connected circular patterns and a small light grey circle in the lower right corner. Minor signs of use are visible on the frame and covering surface.

Code: felix-71e8cc91
Category: Pictures, prints, signs, plates
Subcategory: Paintings
Width: 40 cm
Height: 50 cm
Period: 1960s, 1970s
Material: Paper, Glass, Wood
Colour: White, Black, Grey