144 Rectangles Triptych

23.5 x 23.5″ each panel left panel: signed, titled, and dated: 25/4/69 on the back of the matboard center panel: signed, titled, and dated: 7/5/69 on the back of the matboard right panel: signed, titled, and dated: 2/2/69 on the back of the matboard

Inclinaison (Inclination)

signed and dated lower right on the front signed, titled, and dated on the back of the paper significant hand written notations in graphite upper left and lower left corners on the front of the paper Benson company markings printed on the left edge of the paper