Of circular form, exquisitely carved with twisted rope design, the stone displaying an opaque mottled dark red and black tone. Warring State period.
赭褐色玉質,器呈圓環狀,通體琢扭繩紋,精細規整,簡潔古樸。來源: 北加州藏家提供 Provenance: Private collection, Northern California