《宋史·列传·卷一百一十一》
有个叫徐的人，以增广鼓铸之说求媚于蔡京，蔡京上奏派遣徐处理东南九路铜铸之事，并且令他搜访珍宝。
有徐禋者，以增广鼓铸之说媚于蔡京，京奏遣禋措置东南九路铜事，且令搜访宝货。
A man named Xu flattered Cai Jing with his proposals for increasing the casting of coins, and Cai Jing memorialized the throne and had Xu handle the casting of copper in the nine southeastern circuits, and ordered him to seek out rare treasures.