nephriteChinese ArtjadeArtLate Neolithic period (ca. 5000 - ca. 1700 BCE)Charles Lang Freer collection
About
Perforated disk of the type pi [bi] 璧; bored from both sides, leaving median ridge; mottled dark shades of reddish-browns and some greens; veined and clouded with silvery white incipient disintegration. (Rim chipped.)