Art du métal Bronze Epigraphie Numismatique Cauri Jade Commerce Kang Ding mingwen : Xi Zhou zaoqi yong jubi jiaoyi yuqi de jilu 亢鼎銘文西周早期用具幤交易玉器的記錄 = The Inscription on Kang Ding : a record of buying jade with seashells in the early Western Zhou period