LE ROY, Guillaume (1938-2008). (Abstract composition). 1968. Etching. 480 x 730 mm. Signed, dated & numb. (6/10) in pencil. Under passepartout. -- Id. (Abstract composition). 1976. Cold. etching. 645 x 540 mm. Signed, dated & numb. (35/150) in pencil. -- (2).