1. Bought from Seaouke Yue [You Xiaoxi] 游筱溪, of Shanghai 上海, in New York. Formerly in the collection of the Viceroy Tuan Fang [Duanfang] 端方, and said to have been excavated in Lo yang [Luoyang] 洛陽, Honan [Henan] 河南. For price, see Original Miscellaneous List, p. 346. $125.
2. (Undated Folder Sheet note) Original attribution: Chinese. Han 漢. See further, S.I. 1439, Appendix IX.
3. (John Ellerton Lodge, 1927) Han 漢 or earlier.
4. (Isabel Ingram Mayer, 1945) Ch'ing [Qing] 清 dynasty reproduction of Chou [Zhou] 周 type. The material is soft and the surface coating and stain seem unconvincing. Cf. F1919.31, these two pieces seem to have come from the same workshop.
5. (Thomas Lawton, 1978) Attribution changed from "Ch'ing [Qing] 清 or later" to "Shang 商 dynasty."
6. (Jeffrey Smith per Keith Wilson, July 8, 2008) Ceremonial Objects added as secondary classification.
7. (Stephen Allee, as per Jenny F. So, Jade Project Database, July 25, 2008) Period One changed from "Shang 商dynasty" to "Late Neolithic or early Bronze Age"; Date changed from "1600--1050 BCE" to "ca. 2000 BCE"; added Previous owner: "Ex collection Duanfang 端方." Also changed Title from "Ritual disk, Bi 璧" to "Disk (bi 璧)," and 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.
8. (Stephen Allee as per Keith Wilson, March 24, 2009) Period One changed from "Late Neolithic or early Bronze Age" to "Early Bronze Age Shang 商 dynasty"; Date changed from "ca. 2000 BCE" to "1500--1200 BCE"; added "Sanxingdui 三星堆 culture" to Artist; added "Sanxingdui 三星堆, Sichuan 四川 province" to Geographical Origin.
9. (Susan Kitsoulis per Keith Wilson, June 11, 2010) Deleted "Early Bronze Age Shang 商 dynasty" from period; changed date from "1500--1200 BCE" to "ca. 1500--1100 BCE"; deleted "Sanxingdui 三星堆" from geographical location.
10. (Susan Kitsoulis per Keith Wilson, December 2, 2010) Date changed from "ca. 1500--1000 BCE" to "ca. 2000--1000 BCE."
11. (Jeffrey Smith, April 14, 2016) Transferred from Description: (Jenny F. So, from Jade Project Database) Gray, slate colored, completely covered with chalky white layer with patches of tan and cream; cf. F1919.31; serpentine (Sp. G. 2.578). Unevenly round, quite evenly thick. Hole slightly off-center, but round, with turn marks on inside walls.