A RARE AND FINE VERY PALE GREEN JADE BRUSH AND COVERQing Dynasty Smoothly carved as a long cylindrical shaft, the cover similarly carved, the stone of even pale green tone. 22.5cm (8 7/8in). (2). Please note this Lot is to be sold at No Reserve. 本拍品不設底價 清 青白玉筆及蓋 Provenance : Spink & Son Ltd., London, 8 November 1991 來源 ：倫敦古董商 Spink & Son Ltd.，1991年11月8日 pare with a similar jade brush and cover, mid Qing dynasty, from the Qing Court Collection, illustrated in Theplete Collection of Treasures of the Palace Museum: The Four Treasures of the Study- Inksticks and Writing Brushes , Shenzhen, 2005, p.195, no.174. See a related white jade brush, 18th/19th century, which was sold at San Francisco, 17 December, 2013, lot 8036; see also a related white and spinach-green jade brush, Zheng Da Guang Ming mark, 18th/19th century, which was sold at London, 16 May 2013, lot 142.