C936 Please Ask for the Public Portrait of the Birthday Star

He returned to the Beijing yamen, and not long after, Zhang's Mansion's butler brought over Zhang Yanyuan's evidence.

One of them was a horse carriage that had lost a piece of copper. The master book brought the piece of copper wire over and compared it with the other, and found that both the shape and the marks matched perfectly.

There was also a wooden stick that was placed on the carriage