1. (Stephen Allee per Keith Wilson, June 17, 2008) As per Jenny F. So, Jade Project Database, changed Period one from "Shang 商 dynasty" to "Late Shang 商 dynasty"; changed Date from "13th--11th centuries BCE" to "12th--11th century BCE." Changed Object Name from "Weapon: dagger-axe (ge 戈) blade" to "Ceremonial object." Added Dimensions per Christine Lee, from Jade Project Database.
2. (Jeffrey Smith per Keith Wilson, July 16, 2008) Ceremonial object added as secondary classification.
3. (Najiba Choudhury per Keith Wilson, August 16, 2017) Title changed from "Dagger-axe (ge)" to "Dagger-axe (ge 戈), fragment reworked"; period one changed from "Late Shang dynasty" to "Erlitou culture or early Shang dynasty"; date changed from "ca. 12th-11th century" to "ca. 2000-ca. 1400 BCE"; geography changed from "China" to "China, probably Henan province"; medium changed from "Jade" to "Jade (nephrite)"; dimensions changed from "H x W x D: 29.7 x 7.2 x 0.9 cm (11 11/16 x 2 13/16 x 3/8 in)" to "H x W x D: 7.2 x 29.7 x 0.9 cm (2 13/16 x 11 11/16 x 3/8 in)".
4. (Najiba Choudhury per Keith Wilson, February 4, 2019) Added Chinese translation by Jingmin Zhang; added the following to the description field, "Blade, pointed and double-edged, slightly curved; slight ridges in center; pierced; notches in one side; semi-translucent marbled bluish/tan. (Some calcification; interior cracks–brown; pit in one side; minor nicks.)"; added past label text by Thomas Lawton from the exhibit, In Praise of Ancestors.
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