Bronze jin with cloud design(云纹铜禁) is a Chinese bronze ware unearthed from an ancient tomb of Chu culture at Xichuan, Henan in 1978. The occupant of the tomb is Zi Geng(子庚), a son of King Zhuang of Chu(楚庄王), and he was once to be the Linyin(令尹, prime minister) of Chu state. It is kept by Henan Museum and is prohibited by the government to exhibit outside China for its great heritage value.