清乾隆 御題青玉填金別子QIANLONG INCISED AND GILT YUSHANG FOUR-CHARACTER MARK AND OF THE PERIOD (1736-1795)清乾隆 御題青玉填金別子2 3/4 in. (6.9 cm.) longThe painting mentioned by the inscription on the present clasp might be referring to the painting Dressage, jointly painted by Castiglione and Zhang Tingya in 1754, which recorded the grand reception held by the Qianlong Emperor for the Mongol leaders at the Bishu Shanzhuang, Chengde. It is recorded in the inventories of Shiqu baoji xubian, vol. 4, p. 40, and illustrated in The Complete Collection of The Treasures of the Palace Museum, Paintings by the Court Artists of the Qing Court, p. 165, no. 36.Details AN IMPERIAL INSCRIBED CELADON JADE SCROLL CLASPQIANLONG INCISED AND GILT YUSHANG FOUR-CHARACTER MARK AND OF THE PERIOD (1736-1795)The convex side is carved in low relief with an archaistic bird’s head above ruyi scrolls on the longer tab, the shorter tab undecorated and carved with a narrow slit. The concave reverse is carved and gilt with the four-character mark Qianlong yushang, ‘For the appreciation of Qianlong’, above a twelve-character inscription Lang Shining Zhang Tingyan hebi hua majitu, ‘Dressage, jointly painted by Castiglione and Zhang Tingyan’.2 3/4 in. (6.9 cm.) long Provenance Sold at Sotheby’s Hong Kong, 25 April 2004, lot 88 Conditions of sale