of circular form with a central aperture, carved to both sides with the 'continuous cloud' pattern, the stone of a brownish-celadon colour with extensive calcified areas

The disc is in overall good condition with extensive calcification. There is light pitting and minute nibbling along the edges as consistent with its age and type. The surface retains some markings from the original linen fabric possibly enveloping this disc when placed in the burial pit.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

青白玉，褐沁，鈣化呈雞骨白，玻質感強。雙面工，全器勾連雲紋，琢磨精細。相類的勾連雲紋見於台北故宮博物院所藏戰國晚期龍紋珩，錄於鄧淑蘋，《敬天格物．中國歷代玉器導讀》，國立故宮博物院，台北，2011年，頁101，圖5-6-17。器表有細密網格紋，應為包裹絲絹品的殘留痕跡。