Six-tier tube (cong 琮) with masks

1. Bought from K. T. Wong [Wang Jiantang] 王鑑堂, of Shanghai 上海. For price, see Original Miscellaneous List, p. 227. $860

2. (Undated Folder Sheet note) Original attribution: Chinese. Shang 商. See further, S.I. 1031, Appendix VIII (see Paragraph 5).

3. (Undated Folder Sheet note) Sp. G. is 2.944. Broken down nephrite.

4. (Isabel Ingram Mayer, 1946) Chou [Zhou] 周 dynasty.

5. (H. Elise Buckman, 1964) The Envelope File contained no further information, and has now been destroyed.

6. (Julia K. Murray, 1982) Change from Western Chou [Zhou] 周 dynasty to Neolithic, ca. 2000 BCE.
 
For a discussion of the tall ts'ung [cong] 琮 with segmented-band decor, a type found in the late Neolithic jade inventory in eastern China, see Folder Sheet F1916.410.

7. (Stephen Allee per Keith Wilson, February 5, 2008) On this date entered: Period One (Late Neolithic period), Date (3300--2250 BCE), Artist (Liangzhu 良渚 culture), Title, Object name, Geographical region (Lake Tai 太湖 region); plus Dimensions per Christine Lee, from Jade Project Database.

8. (Jeffrey Smith per Keith Wilson, July 17, 2008) Ceremonial Objects added as secondary classification.

9. (Susan Kitsoulis per Keith Wilson, April 20, 2010) Title changed from "Tall tube (cong 琮)" to "Tube (cong 琮)."

10. (Jeffrey Smith per Janet Douglas, June 17, 2010) Nephrite added as modifier to existing medium of "jade" based on conservation analysis.