A "Buttercup" lucite lounge chair by Erwin & Estelle Laverne, designed for Laverne International as part of the Invisible Group introduced circa 1960, as an experiment using lucite as a new creative material for furniture design. The chair retains its original black faux fur seat cushion. Organic seamless form with a touch of glamor. Reference: Laverne: Furniture, Textiles & Wallcoverings, Krzyzanokski, ppg. 120, 188