A PAIR OF ARCHAIC JADE NOTCHED-SHAPED DISCS, XUANJI Spring and Autumn Period (2)THE PROPERTY OF A BRITISH FAMILY英國家族藏品A PAIR OF ARCHAIC JADE NOTCHED-SHAPED DISCS, XUANJISpring and Autumn PeriodThe outer edges carved with three pronounced stylised bird-form notches around the whole perimeter, the centre pierced with a large circular aperture, the stone of dark green tone with calcified areas. 8cm (3 1/8in) wide. (2).春秋 玉璇璣一對Provenance: Baron Klaus-Detlof von Oertzen (1894-1991) and Baroness Irene von Oertzen (1908-2007)Roger Keverne Ltd., LondonA British private collectionPublished, Illustrated and Exhibited：S.H.Hansford, Jade, Essence of Hills and Streams: The Von Oertzen Collection of Chinese and Indian Jades, London, 1969, p.102, no.C24Roger Keverne Ltd., Winter Exhibition, London, 2009, no.80來源：Klaus-Detlof von Oertzen男爵(1894-1991)和Irene von Oertzen女爵(1908-2007)舊藏倫敦古董商Roger Keverne Ltd.英國私人收藏展覽著錄：S.H.Hansford著, 《Jade, Essence of Hills and Streams: The Von Oertzen Collection of Chinese and Indian Jades》，倫敦，1969年，第102頁，編號C24Roger Keverne Ltd.，《冬季展覽》，倫敦，2009年，編號80Compare with a related archaistic brown and celadon jade notched disc, late Neolithic period/Shang dynasty, which was sold at Sotheby's Paris, 16 December 2015, lot 24.sold_price_type: £