An archaic bone carving, Shang dynasty, Anyang period, 14th-13th century BC 商代安陽時期 公元前十四至十三世紀 骨雕禮器 the thick shaft of animal bone incised finely with a pair of large confronted kui dragons shown in profile, coming across the narrow edge to form a zoomorphic mask, and with two smaller kui dragons forming another zoomorphic mask on the opposite edge, all reserved on a dense leiwen (thunder) ground, in a broad frieze below triangular blade motifs, the surface smoothly polished and exceptionally well preserved 9.4 cm The dating of this lot is consistent with the results of the radiocarbon analysis, certificate no. R18219/NZA3052.  此拍品年代與放射性碳分析結果一致，證書編號R18219/NZA3052。