Cleaned.
Roman Imperial
Constantius II (324–361), Siliqua 351-355, Constantinople mint
Obverse: pearl-diademed, draped and cuirassed bust right
D N CONSTANTIVS P F AVG
Reverse: in the wreath VOTIS XXX MVLTIS XXXX, C•A in exergue
Diameter 20 mm, weight 2.97 g