This type of massive wine vessel, hu, with the unusual triangular leiwen and such finely cast mask handle is extremely rare. Compare a related similarly cast vessel, but smaller in size (32.1 cm high) and bearing a commemorative inscription of 143 characters, in the Shanghai Museum collection, illustrated in Zhongguo Wenwu Jinghua Dacidian, Qingtong Juan, Commercial Press, Hong Kong, 1996, no. 0700, dated to the late Spring and Autumn period.