Inscription: (Behind handle on body of vase): 
Guo Moro interprets this character as "kan" which symbolizes a square shield. According to the interpretation of Fang Zhunyi,  is a symbol of a pestle and mortar, with below it, twocharacters reading "fu ji", which means that this vessel was made in honor of the father named Ji...The inscription is included in several other Chinese publications which do not interpret it.
Ronggeng. Jin Wen bian (Glossary of bronze inscriptions) vol. 4, p. 33a
Guo Moro. Jin Wen cong kao (Studies on bronze inscriptions) Tokyo, 1932. p. 206-14.
Fang Zhunyi. Zhui I Zhai yi qi kao shi (A study of bronze inscriptions by Zhui I Studio) Shanghai, 1935, Zhuan 14, p. 21a.
Liu Tizhi. Xiao Jiao Jing Ge jin wen to ben. (A collection of rubbings of bronze inscriptions of the Xiao Jiao Jing) 1935, vol. 6, p. 49a.
Lo Zhenyu. San dai ji jin wen cun (A collection of bronze inscriptions in the three dynasties) 1936–7, vol. 14, p. 5a.