René BOLLIGER (1911-1971) Study for a Minotaur Engraving on slate. Signed "Pour Michel Simon, en signe de ma grande admiration". Signed, dated 1951 and titled lower right. 40 x 30 cm Ref: a fine set of gouaches on a black background in Roger Peyrefitte's collection. Erotica sale, Eve, December 15, 2006, lots no. 30 to 40.