白玉。器呈圓筒形，圓形蓋，器身 上下兩端立邊，中間花形開窗琢“海 清河宴”四字，其餘鏤空琢繩紋。 底內凹、平整，中鑽一孔，可穿系 佩掛The white jade has a warm and lustrous refinement. It is of a cylindrical shape with a round lid. The middle portion of the cylindrical body has panels with carvings of four Chinese characters of “Haiqing Heyan” signifying peace in the country. The rest are reticulated openwork of rope patterns.