Roman Empire, Aurelian, Antoninian Lugdunum

OBVERSE: IMP C M AVR PROBVS AVG
REVERSE: FIDES MILITVM
BUST TYPE: B = Radiate, cuirassed bust right
FIELD / EXERGUE MARKS: -/-//III
WEIGHT 3.08g / AXIS: 6h / DIAMETER: 21-23mm

Note: Bastien's division between Lugdunum's II and III emmission under Probus is debatable and the sole criterion of the division between these two emmission (style of the emperor's portrait) seems obscure to me.