Shang Dynasty The flaring trumpet neck cast with four S-scroll-filled leaves above a band of stylised cicadas, the central section cast with two taotie masks bisected by vertical flanges, the spreading foot cast with four stylised half-taotie masks reserved on a leiwen ground, with a crisply-cast three-character pictogram inside the foot reading ge fuyi, the pale green patina with some green encrustation. 26.5cm (10 1/2in) high.