1. (Jeffrey Smith per Keith Wilson, July 8, 2008) "Ceremonial Object" added as secondary classification.
2. (Stephen Allee, March 25, 2009) As per Jenny F. So, Jade Project Database, changed Period One from "Han 漢 dynasty" to "Western Han 漢 dynasty"; and added Description. As per Keith Wilson, changed Date from "3rd-1st centuries BCE" to "2nd-1st century BCE"; changed Title from "Ritual disk, Bi 璧" to "Disk (bi 璧) with scrolls and knobs"; changed Object Name from "Disk (bi 璧)" to "Ceremonial Object". Changed Medium "Jade" to "Jade (?)" as no scientific analysis is recorded. Added Measurements (Diam x D: 12.7 x 0.3; Diam [hole]: 5.4), as per Christine Lee, Jade Project Database.
3. (Jeffrey Smith per Matthew Clarke, July 25, 2022) Medium changed from Jade (?) to Jade (nephrite).
4. (Najiba Choudhury per Keith Wilson, June 7, 2023) Title changed from "Disk (bi) with scrolls and knobs" to "Disk (bi) with raised hexagons arranged in a grid and interlaced birds"; Date changed from "2nd-1st century BCE" to "206 BCE–9 CE"; Geography changed from "China" to "China, purportedly found at Anhui province, Shouxian"; and added Chinese Translation by Jingmin Zhang.
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