A Chinese white jade buttonQing dynasty, 18th centuryCarved and pierced as a taijitu set on a reticulated endless knot, with reverse boss, the translucent stone of a pale, even tone, 1.2cm diameter.Provenance: Acquired by captain André Le Gac (1895-1960) in China in the 1920s, thence by descent.清十八世紀 白玉雕‘太極圖’紐扣來源：André Le Gac (1895-1960)上校於1920年代購於中國，後傳承至現藏家。