DISQUE BI EN JADE VERT ARCHAÏQUEDynasties des Zhou orientaux/dynastie Han (770-221 av. J.-C/206 av. J.-C - 220 ap. J.-C) AN ARCHAIC GREENISH JADE 'GRAIN' DISC, BI Eastern Zhou/Han Dynasty (770-221 BC/206 BC-220 AD) The thin circular disc with wide central aperture, neatly carved in relief to each side with rows of spiral 'grain' bosses, the stone of olive-green hue. 13.5cm (5 1/4in) diam. Provenance: Robert Rousset, Paris (1901-1981), acquired prior to 1935 Jean-Pierre Rousset, Paris (1936-2021) pare with a related jade 'grain-pattern' disc, Warring States period, which was sold at Hong Kong, 30 May 2017, lot 35. 東周/漢 玉谷紋璧 來源： 巴黎Robert Rousset（1901-1981）舊藏，於1935年前入藏 巴黎Jean-Pierre Rousset（1936-2021）舊藏