77/4831 Zhang, Qing Hui (late 20th cent.). (Abstract landscape). Drawing, black and white paint, monogrammed in Chinese characters and "89.2" in black pen. Idem. (Abstract landscape). Drawing, brush and black ink, 21x30 cm., monogrammed in Chinese characters and "1990" in pen and black ink, under passepartout. - AND 1 similar drawing by the same.