1. (Stephen Allee per Keith Wilson, March 3, 2008) On this date entered: Period One (Late Neolithic period), Date (ca. 5000--ca. 1700 BCE), Artist (Liangzhu 良渚 culture), Title, Object name, Geographical region (Lake Tai 太湖 region); plus Description per Jenny F. So and Dimensions per Christine Lee, from Jade Project Database.
2. (Jeffrey Smith per Keith Wilson, July 17, 2008) Ceremonial Objects added as secondary classification.
3. ((Jeffrey Smith, April 11, 2016) Transferred from Description: (Jenny So, from Jade Project Database) Opaque coarsely textured, speckled dark reddish-brown with green patches. Hole is much smaller than S1987.919, and is biconical. A jagged ledge on the inner wall marks the imperfect meeting of the two holes. Drilled twice on one face--unusual? Vertical outer wall slightly concave; 1 face and edge better/higher polish than other. Outer edge is rough and chipped in places. Imposing size, thick and heavy disk, similar in material to S1987.929.
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