1. (Undated Folder Sheet note) Compare the long narrow jade blade, as well as those fashioned of bone, with those from the Shang 商 dynasty, Tomb 5, at Anyang 安陽, unearthed in 1976. See Zhongguo shehui kexueyuan kaogu yanjiusuo 中國社會科學院考古研究所, Yinxu Fu Hao mu 殷墟婦好墓 (Beijing: Wenwu chubanshe, 1980), pls. 126: 1 and 182: 2.
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 "Weapon: knife" to "Ceremonial object."
4. (Najiba Choudhury per Keith Wilson, August 21, 2017) Title changed from "Knife (dao)" to "Knife (dao 刀)"; Period One changed from "Shang dynasty" to "Late Shang dynasty"; Period Two added "Anyang period"; Geography changed from "China, probably Henan province, Anyang"; Date changed from "ca. 13th-11th century BCE" to "ca. 1300-ca. 1050 BCE"; Dimensions changed from "H x W x D: 21.4 x 1.3 x 0.5 cm (8 7/16 x 1/2 x 3/16 in)" to "H x W x D: 1.3 × 21.4 × 0.5 cm (1/2 × 8 7/16 × 3/16 in)"; and Medium changed from "Jade" to "Jade (nephrite)".
5. (Najiba Choudhury per Keith Wilson, February 15, 2019) Added Chinese Translation by Jingmin Zhang; added the following to the Description field, "Knife blade; single edged, flared toward point, with triangular cross-section; opaque gray with white clouds. (Mostly calcified; some nicks into powdery areas.)"; and added past Label Text by Thomas Lawton from the exhibition, In Praise of Ancestors.
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