Yuan/Ming Dynasty Deftly carved in openwork as a crouching dragon depicted with bulging eyes, flaring nostrils and mouth agape revealing sharp fangs, with a single horn above a neatly combed mane sweeping back joining its bushy tail curled along its arched spine set with a loose ring, the semi-translucent stone of an even white colour. 5.5cm (2 1/8in) long.Footnotes元/明 白玉雕活環螭龍印鈕 Compare a similar white jade carving of a chilong seal finial, Ming dynasty, which was sold at Sotheby's Hong Kong, 24 May 1984, lot 484. See also a related white jade 'hong chan fo zong' Buddhist seal, Yuan Dynasty, with a similarly carved dragon finial, which was sold at Sotheby's Hong Kong, 3 October 2013, lot 3622. 參考一件類似的明代白玉螭龍印鈕，1984年4月24日售於蘇富比香港，拍品編號484。另可參考一件香港蘇富比2013年10月3日售出之明代白玉佛印，拍品編號3622。