Catalogue entry no. 415 by Max Loehr:
415 Bird Figure in Openwork
Highly polished, light gray translucent jade with marginal brown markings and stains of bronze oxide. The bird’s head is adorned with a long plume that rests on his wings, while his open, pointed beak touches his breast. The wings and the tail form ornamentally conceived bands ending in volutes. Surface patterns of incised concentric curves, striae, and crosshatching. Identical design on both sides. Later Eastern Chou.