五代 / 北宋 定窰白釉蓋壺

the globular body supported on a short foot, set with a flat loop handle and a short spout, the incurved rim molded with bow-string lines, the cover surmounted by a stem knop, covered overall in a creamy-ivory glaze leaving the footring unglazed

See a related ewer dated to the Five Dynasties period, but without its cover, from the Palace Museum collection illustrated in Selection of Ding Ware: the Palace Museum's Collection and Archaeological Excavation, Beijing, 2012, p. 80, pl. 26.  A similar ewer, also lacking its cover, was sold in our London rooms, 14th May 2014, lot 51.