1. Bought from Tonying 通運 and Company, in New York. For price, see Original Miscellaneous List, p. 238. $200.
2. (Undated Folder Sheet note) Original attribution: Chinese. Han 漢. See further, S.I. 1069, Appendix VIII (see Paragraph 5).
3. (Isabel Ingram Mayer, 1945) Chou [Zhou] 周 dynasty.
4. (Undated Folder Sheet note) Sp. G. is 2.908.
5. (H. Elise Buckman, 1964) The Envelope File contained no further information and has now been destroyed.
6. (Thomas Lawton, 1978) Attribution changed from Chou [Zhou] 周 to Eastern Chou [Zhou] 周.
7. (Jeffrey Smith per Keith Wilson, July 8, 2008) Ceremonial object added as secondary classification.
8. (Stephen Allee, March 24, 2009) Jenny F. So, Jade Project Database, lists Period as: "Possibly late Neolithic," with no given dates. Keith Wilson indicates "Shang 商 dynasty, ca. 1500--ca. 1050 BCE." As per Keith Wilson, changed Period One from "Eastern Zhou 周 dynasty" to "Shang 商 dynasty"; changed Date from "770--256 BCE" to "ca. 1500--ca. 1050 BCE"; changed Title from "Ritual disk, Bi 璧" to "Disk (bi 璧)"; changed Object Name from "Disk (bi 璧)" to "Ceremonial object." Changed Medium "Jade" to "Jade (?)," as no scientific analysis is recorded. Added Measurements (Diam: 16.8 x D: 0.65; Diam hole: 6.20) as per Christine Lee, Jade Project Database. Added
Description, as per Jenny F. So, Jade Project Database.
9. (Jeffrey Smith per Janet Douglas, July 21, 2010) Nephrite added as modifier to existing medium of "jade" based on conservation analysis.
10. (Susan Kitsoulis per Keith Wilson, December 2, 2010) Changed geographic location from "China" to "Central China, Anyang 安陽, Henan 河南 province"; date from "ca. 1500--ca. 1050 BCE" to "ca. 1600--1050 BCE." Deleted "Shang 商 dynasty."
11. (Najiba Choudhury per Keith Wilson, August 2, 2017) Title changed from "Disk (bi)" to "Disk (bi 璧)"; period one added "Late Neolithic period"; date changed from "ca. 1600-1050 BCE" to "ca. 5000-ca. 1700 BCE"; geography changed from "Anyang, Henan province, Central China" to "China".
12. (Najiba Choudhury per Keith Wilson, August 1, 2018) Following description removed, "(Jenny So, Jade Project Database, entered 24 March 2009) Possibly Late Neolithic. Coarse-grained material, light golden brown and pale yellowish green. Unevenly round, uneven thickness, edge thinner than center at hole. Surface repolished smooth; convex profile of hole also suggests repolishing of biconical hole. (File folder) Chinese. Eastern Zhou, ca. 770-256 B.C. Thin perforated disc of the type "bi;" translucent, mottled light, golden browns and pale yellowish green; outer edge uneven and much thinner than at perforation; several dark strata cracks. Box."
Added the following description, "Thin perforated disc of the type pi [bi] 璧; translucent, mottled light golden browns and pale yellowish green; outer edge uneven and much thinner than at perforation; several dark strata cracks. Acquired with a box, now lost. (Jenny F. So, Jade Project Database, March 24, 2009) Possibly late Neolithic. Coarse grained material, light golden brown and pale yellowish green. Unevenly round, uneven thickness, edge thinner than center at hole. Surface repolished smooth; convex profile of hole also suggests repolishing of biconical hole."
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