清中期

Compare with a very similar red-ground canvas decorated with dragons in the Palace Museum Collection, Beijing, illustrated in Zhongguo Wenfang Sibao Quanji, Four Treasures for the Scholar's Studio, Vol. 3, Beijing, 2008, pp. 188-189, no. 180. Two very similar canvases, one of the same size as the present examples, were sold at Christie's Hong Kong, 1 December 2010, lot 3140.