《太平广记·卷八十五·异人五》
前蜀的嘉王顷做亲王镇使，在整理官署时得到一面铁镜子，下边写着十三个篆字没有人能认识。
前蜀嘉王顷为亲王镇使，理廨署得一铁镜，下有篆书十二字，人莫能识。
Before this, the King of Jia, of the Former Shu, was a pacifying governor. When he was cleaning out a government office, he found an iron mirror. There were thirteen seal characters written on the bottom of the mirror, but no one could recognize them.