Wu Guanzhong (China, 1919-2010), Autumn onto the Wall, painted in 1991. 30 x 55  cm (11¾ x 21⅝  in). Estimate HK$4,500,000-6,500,000. Offered in Asian 20th Century & Contemporary Art (Evening Sale)  Contemporaries Voices from East and West (Evening Sale) on 26 May at Christie’s in Hong Kong