• Dimension: Diameter: 2 5/8 in (6.7 cm)
• Estimate From: $1200
• Estimate To: $1600

Of circular form with a central aperture, finely carved on both sides with spirals design enclosed within two ring bands, the stone of opaque mottled white and russet veins and calcification. Warring State period.

來源: 北加州藏家提供
Provenance: Private collection, Northern California