Middle and late Warring States Period (about 2320 years ago). Unearthed from Jiuliandun Tomb M1. Food steamer. Total height: 53.4 cm; Zeng (cookware) height: 28.3 cm, mouth diameter: 35 cm, span across handles: 40.8 cm; Li (cookware) height: 25.6 cm, mouth diameter: 17.6 cm, abdominal diameter: 22.6 cm
