Chicago abstract artist Robert Natkin (1930-2010) is well known for his signature approach to abstract expressionism and color field painting with works held in many major museum and corporate collections. 

This 1974 lithograph from his "Intimate Lighting" series is hand signed and numbered 35/100 on the front lower left. It is professionally framed with a linen wrapped matt and fully documented on the verso by Merrill Chase Gallery. 

Image: 35.5"h X 27.75"w
Framed: 42.25"h X 32.75"w X 1,25"d