A flambé-glazed square vase, fanghu, Daoguang incised six-character mark and of the period (1821-1850). Photo Christie's Image Ltd 2014.

The rectangular vase is raised on a short foot and has a pair of lug handles applied to the neck. Each side is moulded with peach-shaped panels. It is covered overall in a rich glaze ranging from dark reddish-purple to pale lavender-blue tones, thinning to a cream colour at the edges. 11 ¾ in. (30 cm.) high. Estimate £20,000 – £30,000 ($33,620 - $50,430)

Christie's. FINE CHINESE CERAMICS AND WORKS OF ART, 13 May 2014, London, King Street - http://www.christies.com/