Compare the near identical pair of bowls from the Paul and Helen Bernat Collection, sold in Hong Kong, 15 November 1988, lot 1; and again in these Rooms, 20 March 1990, lot 656. Another pair was sold in these Rooms, 29 April 1996, lot 757; while bowls of the same design but painted with iron-red bats amidst underglaze-blue clouds was sold in Hong Kong, 25 November 1980, lot 126, from the Edward T. Chow Collection.