1. (Jenny F. So, May 24, 2000) Blade re shaped from a broken knife (?).
2. (Jeffrey Smith per Keith Wilson, July 8, 2008) Weapon and Armament added as secondary classification.
3. (Susan Kitsoulis per Keith Wilson, April 2, 2010) Object name changed from "Blade" to "Ceremonial object." Title changed from "Blade" to "Straight chisel (gui 圭)."
4. (Najiba Choudhury per Jeffrey Smith, September 10, 2015) Transferred from the Provenance text field: "(Jenny F. So, May 24, 2000) Accompanying fitted box indicates it was formerly in Duanfang 端方's collection (but not published in his catalogue)."
5. (Jeffrey Smith, September 28, 2018) After review of the Deed of Gift on file, the credit line was changed from "Gift of Mrs. Elizabeth Lorentz" to "Gift of Elizabeth Meyer Lorentz."
6. (Najiba Choudhury per Keith Wilson, January 9, 2020) Title changed from "Straight chisel (gui)" to "Forked blade (zhang 璋), fragment"; Object name changed from "Chisel" to "Ceremonial object"; and Date added, "ca. 5000-1700 BCE".
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