A collection of eight hard back Sotheby's international auction catalogues, including Masterpieces of Chinese precious metalwork, early gold and silver, London, 14 May 2008; by Heavenly Mandate, important historical works of the Qianlong Reign, Hong Kong, 8 April 2007; a collection of exceptional Imperial porcelain, Hong Kong, 2 May 2005; an important private collection of Qing historical works of Art, Hong Kong, 7 October 2010; six Treasures, Hong Kong, 3 April, 2019; two song Treasures, Hong Kong 11 April, 2008; and a two volume set of works of Art from a private Milanese collection including Chinese ceramics and works of Art