Not listed, close to RIC 823, Serdica. Bust type C. Denomination: Heavy aureus (Binio).

OBV.: IMP C PROBVS INVICTVS P AVG

Radiate, draped and cuirassed bust right.

REV.: FIDES MILITVM

Fides standing left, with two ensigns.

Mintmark: / (exergual line only)

Image provided courtesy of Dr. Hubert Lanz NUMISMATIK LANZ MÜNCHEN