Two large Chinese characters Wu Zhu (with a vertically disjointed middle part of Wu), no inside rims, outside rim / Blank, inside and outside rims. 26mm, 3.03 grams. Hartill #10.38.
These rare coins cannot be attributed to any particular dynasty or reign, though the "Zhu" is done in the Eastern Han manner.
They have a general appearance of Eastern Han coins (probably of very late Eastern Han period) but may belong to some later dynasties. Rare!