Date: Liangzhu culture (ca. 5300-4300 BP)

Dimensions: Overall height 8.9 cm, Diameter of upper collar 17.1-17.6 cm, Diameter of lower collar 16.5-17.5 cm, Outer diameter of hole 5.0 cm, Inner diameter of hole 3.8 cm

Unearthed from tomb M12, Fanshan site, Yuhang, Zhejiang province, 1986

Zhejiang Provincial Museum