Grain pattern Sapphire ring in Western Han Dynasty
Collected in Yangzhou Han Guangling Tomb Museum
Diameter 13.1cm, aperture 6.3 cm, 0.4 cm in thickness
Unearthed in II tomb Shenju Mountain Gaoyou, Yanzhou in 1980
Sapphire ring with a circle of spiral patterns; a crack has been repaired; with poor texture and rough crafts.