Constantius II AE Follis, 17.9mm, 1.95 g. AD 324-325. Antioch. 

No legend, laureate, draped and cuirassed bust left.
CONSTAN TIVS CAESAR SMANTS, in four lines within lined border.

Star above, dot below. 

RIC VII Antioch 60. 
Rare (R3).

With permission of cngcoins.com, auction 430, Lot 409, Oct. 2018