NINE CHINESE ART CATALOGUES中國藝術圖錄一組九本Comprising:Christie's London, 'Fine Chinese Jades and Snuff bottles', 12th July 1976;Christie's London, 'Fine Chinese Jades and Snuff bottles', 7th February 1977;Christie's London, 'Chinese Jades and Snuff bottles', 25th October 1976;Christie's London, 'Chinese Jades and Snuff bottles', 3rd November 1975;Christie's London, 'Fine Chinese Jades and Snuff bottles', 26th January 1976;Christie's London, 'Fine Chinese Jades and Snuff bottles', 4th July 1977;Christie's London, 'The Ko Family Collection of Chinese Snuff bottles', 8th November 1976;Sotheby's Hong Kong, 'Fine Chinese Snuff bottles', 2nd November 1978;Hugh Moss, 'Chinese Snuff Bottles', June 1970;(9)