Coordinative Thinking on the Square and Rectangle; Per, IV , by alfred jensen , 1974 , abstract , Abstract Expressionism style , Pattern, Textile
A poster with a lot of numbers on it.
 a poster with numbers on it. The numbers are arranged in squares. The squares are different colors. The first row of numbers are blue, the second row is yellow, the third row is orange, the fourth row is blue, and the fifth row is red. Each row has numbers written on it in a different color.