A WHITE AND RUSSET JADE 'EAGLE' BELT BUCKLE QING DYNASTY, 18TH CENTURY

finely carved in the form of an archaistic bird of prey with its head tucked between its folded wings, its beak forming the hook and its feathers detailed with archaistic motifs, the underside carved with a floral knob, the smoothly polished stone with patches of russet skin

The belt hook is in overall very good condition.  The is a tiny nick along the edge of the the shaft on the underside which appear to be original to the carving. There is some mild surface pitting. The actual colour is consistent with the catalogue illustration.
"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 jade belt hooks modelled in the form of birds, such as one from the collection of Warren E. Cox, sold twice in our New York rooms, 10th August 1964, lot 53, and 19th March 2007, lot 37; another sold in our Hong Kong rooms, 19th November 1985, lot 110; a third sold in our London rooms, 15th April 1983, lot 129; and a further belt hook sold in our New York rooms, 24th June 1981, lot 143. For an earlier version of this design, see a belt hook attributed to the Song dynasty (960-1279) in the National Palace Museum, Taipei, included in the Museum’s exhibition Jingtian genwu. Zhongguo lidai yuqi daodu [A guide to Chinese jades], Taipei, 2011, cat. no. 6-2-4.