THREE JADE DISCS, BI Warring States Period/Han Dynasty (5)THREE JADE DISCS, BIWarring States Period/Han DynastyComprising two larger jade bi discs, each carved on both sides with raised bosses in the form of comma spirals enclosing the central aperture within raised borders, the largest of calcified white jade, with box, 7.8cm (3 1/8in) diam.; the second of semi-translucent olive-green tone, wood box, 7cm (2 3/4in) diam.; and the third disc carved with scrolling motifs, the stone of a pale white tone with russet inclusions, 3.5cm (1 3/8in) diam., two boxes. (5).戰國/漢 玉璧 一組三件Provenance: Idemitsu collection, Tokyo (the green jade disc)Roger Keverne Ltd., London, 8 June 2006 (the green jade disc)J.T. Tai & Co., New York (the smallest disc)Dr Arthur M. Sackler (1913-1987), acquired from the above before 1966 (the smallest disc)Christie's London, 3 November 2009, lot 154 (part lot) (the smallest disc)A distinguished English private collectionPublished, Illustrated and Exhibited: Ancient Chinese arts in the Idemitsu Collection, Tokyo, 1989, no.131 (the green jade disc)Roger Keverne Ltd., Winter Exhibition, London, 2004, no.89 (the green jade disc)來源：出光美術館舊藏（青玉璧）倫敦古董商Roger Keverne Ltd.，2006年6月8日（青玉璧）紐約古董商戴潤齋（最小者）亞瑟·M.賽克勒博士（1913-1987）舊藏，於1966年以前購自上者（最小者）倫敦佳士得，2009年11月3日，拍品編號154（部分）（最小者）英國顯赫私人收藏展覽著錄：《Ancient Chinese Arts in the Idemitsu Collection》，東京，1989年，編號131（青玉璧）Roger Keverne Ltd.，《冬季展覽》，倫敦，2004年，編號89（青玉璧）For a similar jade disc to the one formerly in the Idemitsu collection, see A Catalogue of the National Palace Museum's Special Exhibition of Circular Jade, Taipei, 1994, pp.118-119, nos.73 and 74.See also a green jade bi disc, Western Han dynasty, which was sold at Bonhams New York, 20 September 2021, lot 144.