Ming/early Qing Dynasty Comprising: a vase of square section decorated with taotie masks against leiwen ground, the upper section with blades, all interspersed with flanges around the corners, 27cm (10 5/8in) high; the second vase with taotie masks against leiwen ground, with flanges around the central section and spreading foot, the trumpet shaped neck with upright blades, the base cast with Lügu zhai mark ('Studio of archaic companion') encircled by two dragons in mutual pursuit, 22cm (8 5/8in) high; and a small square section vase, decorated with chilong against leiwen ground with flanges at the corners, 15cm (5 7/8in) high (3).