Watch List notes:

NORTHERN ZHOU: Anonymous, 557-581, AE cash, H-13.30, wu xing da bu, which translates as "the large coin of the five elements [metal, wood, water, fire, and earth]", issued in 574 by Emperor Wu, VF-EF. They were intended to be worth ten Bu Quans. Illegal coining soon produced specimens of a reduced weight and the authorities banned the use of this coin in 576.

Estimate: 75-100 USD