Untitled , by rubem ludolf , abstract , Concretism style , Rectangle, Line
An orange and green square on a white background.
A piece of artwork is displayed on a white paper. The artwork consists of four squares. The first square is red, the second square is green, and the third square is orange. The green squares are interlocking with each other. The orange squares are the same color as the green squares. There is a small black signature at the bottom of the artwork.