Translucent black jade with minimal mottled calcified inclusions, smooth surface polish. China, Song Dynasty (960-1279) or earlier

Very slender semi-tubular ring of slightly irregular outline, plain and softly polished convex outside surface exposing the natural beauty of the stone, inner surface with sharpened edges, slightly flattened sides with drilling marks from both sides

Shape: Slightly irregular circle outline with plain semi-tubular outer surface, the inner surface of straight regular shape with sharpened edges, flattened sides and grooved drilling marks from both sides
Dimensions: 6,8 cm (outer diameter), 0,7 cm (width)
Condition: Good condition with minor scratches as typical traces of age, grooved drilling marks as typical traces of the production process, fine hand patina
Provenance: Private Canadian Collection

宋代或更早半透明黑色玉鐲
品相良好，通常的年代及製作痕跡，包漿細膩
加拿大私人收藏