An inscribed jade cylindrical tube, Han dynasty or later漢或以後 玉管carved from calcified pale green jade, incised at one end with line patterns and scrolls, above the two incised characters da lu relating to musical terminologyLength 18.5 cm, 7¼ in.品相: Minor shallow chips to one end, some tiny nicks to the incised decoration."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."来源: Christie`s New York, 4th June 1987, lot 54.紐約佳士得1987年6月4日，編號54来源2: Jessica Rawson, Chinese Jade from the Neolithic to the Qing, London, 1995, pl. 18:9.羅森，《Chinese Jade from the Neolithic to the Qing》， 倫敦，1995年，圖版18:9