here is a nice portrait of Vetranio
Vetranio
A.D. 350
21mm 4.5gm
DN VETRA-NIO P F AVG; diademed bust right, A behind bust,✶in front.
HOC SIG-NO VICTOR ERIS; [In this sign you will be the victor] emperor standing left with labarum inscribed with Chi-Rho, being crowned by Victory, A in left field.
In ex. •ESIS✶
RIC VIII Siscia 292