Bidspirit auction | Certified Chinese jade Libation wine

Certified Chinese jade Libation wine cup/vessel, Han Dynasty 206 BC -220 AD - Certified Chinese jade Libation wine cup/vessel, Han Dynasty 206 BC -220 AD. Superb, museum quality carved nephrite jade libation cup with 2 rings, made in Tang Dynasty or earlier. Height: 5.6 inches = 14.3 cm = 143 mm; Length: 8.25 inches = 21 cm = 210 mm; Width: 3 inches = 7 cm = 70 mm; Weight: 776 g = 1 lb. 11.4 oz. Mohs hardness: 7.0-7.5 (normal range for jade 6.0-7.0); Authenticity report: Microscopic research revealed aging surface of the jade with the traces of ancient tools. Certification: in addition to certificate from Jade Cellar, there will be issued more detailed certificate from Eternity Gallery. Provenance: private collection of Rob R., California.