circa 3000-2500 B.C.
with thick convex sides and rounded edges, drilled from both sides with a large aperture near the rough butt end, the gray stone with buff mottling, the surface softly polished.
Length 5 inches (12.7 cm)
A similar jade ceremonial axe of slightly larger size in the British Museum is illustrated by Rawson and Ayers, Chinese Jade Throughout the Ages, London 1975, p. 22, fig. 1.
新石器時代 玉斧 長12.7厘米