1. Bought from Seaouke Yue [You Xiaoxi] 游筱溪 of Shanghai 上海, in New York. Said to have been excavated in Loyang [Luoyang] 洛陽, Honan [Henan] 河南. For price, see Original Miscellaneous List, p. 332. $200.
2. (Undated Folder Sheet note) Original attribution: Chinese. Han 漢. See further, S.I. 1410, Appendix IX.
3. (Isabel Ingram Mayer, 1945) Ch'ing [Qing] 清 dynasty reproduction of Chou [Zhou] 周 type. The piece is unconvincing and very similar to F1919.59 in treatment, perhaps made by the same hand.
4. (Undated Folder Sheet note) Sp. G. is 2.582.
5. (Thomas Lawton, 1978) Attribution changed from Ch'ing [Qing] 清 to Shang 商.
6. (Janet Douglas, September 10, 2002) Serpentine added to Medium. (See Conservation Report.)
7. (Jeffrey Smith per Keith Wilson, July 8, 2008) Ceremonial Objects added as secondary classification.
8. (Stephen Allee per Keith Wilson, July 25, 2008) As per Jenny F. So, Jade Project Database, changed Period One from "Shang 商 dynasty" to "Late Neolithic or Bronze Age"; changed Date from "1600--1050 BCE" to "ca. 2000 BCE," and added "Middle Yangzi 揚子 River region" to Geography/Origin. Also changed Title from "Ritual disk, Bi 璧" to "Disk (bi 璧)," Object Name from "Disk (bi 璧)" to "Ceremonial Objects." Added Description as per Jenny F. So and Dimensions per Christine Lee, from Jade Project Database.
9. (Susan Kitsoulis per Keith Wilson, June 11, 2010) Deleted "Late Neolithic period or Bronze Age"; added "Sanxingdui 三星堆 culture" to Artist constituent field; changed date from "2000 BCE" to "ca. 1500--1100 BCE"; changed geographical origin from "Middle Yangzi 揚子 River region" to "Sichuan 四川 province."
10. (Susan Kitsoulis per Keith Wilson, December 2, 2010) Date changed from "ca. 2000 BCE" to "ca. 2000--1000 BCE."
11. (Jeffrey Smith, April 14, 2016) Transferred from Description: (Jenny F. So, from Jade Project Database) Opaque dark gray stone completely altered chalky white, now turned cream and tan from handling (?); cf. F1919.59 in appearance and Sp. G. (2.582). Conical hole with circular drill marks on wall. Eroded straight slice mark on one face; uneven surface on other. Wen Guang 聞廣 thinks the material resembles Liangzhu 良渚, but workmanship does not.
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