器物典藏-南宋至元 玉绞丝纹璧 Jade bi disk with intertwined-line decor, Southern Song to Yuan Dynasties, 1127-1368 C.E.

玉质，白色，有赭斑。器呈圆形，孔径略大。周身琢刻绳纹，作向器中心旋入之状。