Title: Notched Disk (Xuanji)
Object type: Disk
Date: ca. 2400–2000 BCE
Culture: China
Period: Late Neolithic period
Medium: Jade (nephrite)
Dimensions: Diam. 5 in. (12.7 cm)
Classification: Jade
Credit line: Gift of George Coe Graves, 1930
Department: Asian Art
Repository: Metropolitan Museum of Art, New York, NY