Procopius, AE3 of Cyzicus, AD. 365-366. 

DN PROCO-PIVS P F AVG, pearl diademed, draped, cuirassed bust left.
REPARATI-O FEL TEMP, Emperor standing facing, head right, holding
labarum and resting left hand on shield.

Mintmark star SMKB. 

RIC IX Cyzicus 7; Sear 19885

With permission of Numismatica Ars Classica - Auction 84, Lot 2147, March 2015.