Middleton, Sam (1927-2015). (Abstract composition).

Colour lithograph, 50,5x65,5 cm. (leaf), signed "Middleton '75" and "21/100" in pencil. Idem. (Lakeview with sailingvessels). Colour lithograph, 34x49 cm., signed "Middleton '76" and "21/100" in pencil.