Provex , by olle baertling , 1953 , abstract , Concretism style , Line
An abstract painting with black and white and red lines.
A square is composed of black, white, and red. The black rectangle is in the center of the white rectangle. The white rectangle is on the left side of the black rectangle. There is a red rectangle on the right side. The red rectangle is at the top and bottom of the square. The square has a white border around it.