Grain pattern Sapphire in Western Han Dynasty
Collected in Yangzhou Han Guangling Tomb Museum
Diameter 11.2cm, aperture 3.6cm, 0.4 cm in thickness
Unearthed in II tomb Shenju Mountain Gaoyou, Yanzhou in 1980
Poor in texture, there are grain patterns carved on the jade body; two cracks, while the incomplete edge has been repaired; one side is impure.