器物典藏-商末或周初 云雷纹管銎钺 Yueh axe with tubular shaft-ring and cloud and thunder patter , late Shang or early Chou

钺，管状圆銎、弧刃，钺身呈长方形，銎背部侧出一方块。器面饰雷纹、几何纹。