Wu Zhu, inner rim only on the right side of the hole, head of Jin tilting right, stout outer rim / Inner and outer rims. 21mm, 1.91 grams. Hartill -; Gratzer/Fishman œOne Thousand Years of Wu Zhu Coinage� #9.13. SKU T2222-46878
The rare Wu Zhus associated with Sui Emperor Ming Di (605-618) are fairly similar to the normal Sui Wu Zhus, though they are cruder and much smaller and lighter than the earlier Sui issues, measuring only 16-21 mm, 0.4-1.9 grams.
The Sui dynasty was a short-lived imperial dynasty of China of pivotal significance. The Sui unified the Northern and Southern dynasties and reinstalled the rule of ethnic Chinese in the entirety of China proper, along with sinicization of former nomadic ethnic minorities (Five Barbarians) within its territory. It was succeeded by the Tang dynasty, which largely inherited its foundation.