1. (Jeffrey Smith per Keith Wilson, July 8, 2008) Ceremonial object added as secondary classification.
2. (Najiba Choudhury per Keith Wilson, January 13, 2020) Title changed from "Blade" to "Harvesting knife (hu 笏), fragment"; Period One changed from "Western Zhou dynasty" to "Late Neolithic period"; Date changed from "11th-10th century BCE" to "ca. 5000-ca. 1700 BCE"; added Chinese Caption by Jingmin Zhang; changed Object name changed from "Blade" to "Ceremonial object"; and added Unpublished Research by Max Loehr.
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