Qianlong seal mark and of the period The body of pear shape supported on a short slightly tapering foot and surmounted by a tall cylindrical neck, heavily covered with a rich dark purple glaze varying with bluish streaks to the neck, the base incised with a mark in seal script reading daqing qianlong nianzhi and covered with brown glaze, the foot rim unglazed. 35cm (13 3/4in) high.