Série Amazônica nº 2 , by ivan serpa , 1968 , abstract , Op Art style , Orange, Construction paper, Line, Pattern
An orange and green painting of a circular design.
 an abstract art piece. It has a bright orange background with a green border around it. In the center of the orange background is an oval shape. Inside the oval shape are green lines that are parallel to each other in a diagonal direction. The lines are all different shades of green. The green lines are thin and pointy at the top and bottom of the circle.