新石器時代 (疑龍山文化) 玉琮

le large cylindre central sculpté de quatre saillies formant un carré, chaque angle divisé en trois registres séparés d'un sillon, le bord et le pied circulaires en léger relief, la pierre brune tachetée d'inclusions foncées, traces de terre

羅樾 (1903-1988年) 舊藏
J. J. Lally & Co.，紐約，1993年

《Early Chinese Jades. A Loan Exhibition Presented by the Museum of Art》，密歇根大學，Alumni Memorial Hall，Ann Arbor，1953年3月22日 至 4月22日，編號48
《Chinese Archaic Jades and Bronzes from the Estate of Professor Max Loehr and Others》，J. J. Lally & Co.，紐約，1993年，編號23

羅樾，《Early Chinese Jades. A Loan Exhibition Presented by the Museum of Art》，密歇根大學，Ann Arbor，1953年，編號48
J. J. Lally & Co.，《Chinese Archaic Jades and Bronzes from the Estate of Professor Max Loehr and Others》，紐約，1993年，編號23

There is a cutting mark to one side of the cong. There are encrustations to the inside of the cong. The stone is smoothly polished. The jade is of a darker, more olive colour than the catalogue illustration suggests.
"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."

Compare the present piece with a small cong similarly decorated with a comparatively simple design of horizontal lines, discovered at Taosi, Shaanxi province, illustrated in Chukogu ocho no tanjo, Tokyo, 1993, no. 9.