Watch List notes:

China, The North and South Kingdoms, Northern Dynasty, Northern Zhou, (A.D. 557-581), diameter 30mm, four characters around, obv. "Yong Tong Wan Guo" (Everlasting circulation in Ten Thousand Kingdoms), (Hartill 13.32, Sch. 250, TFP 644). Some surface oxidation, very fine, rare.

Ex Noble Numismatics Sale 94, lot 3565.