Qing Dynasty Breast nipple motif dual jade Bi, W.19cm, H. 5cm, D. 0.7cm, 72grams乳丁紋雙聯白玉璧, L.19cmCarved with white Hetian jade, the object has two Bi with breast nipple motif connected by a rhombus structure symbolizing the breast of a mother. The object may be served as a gift for marriage. The breast nipple motif is a symbol of mother who should be remembered after the daughter has married to her husband. The antiquity evidences include cleaving vein and differential weathering.本器白玉雕琢, 由相聯兩璧組成, 兩璧中間上端有菱形接體, 表面有陰線大小不同的菱形.玉璧兩面雕琢乳丁紋. 本器古玉跡象有冰裂紋, 包漿明顯.